Compared with Bianliang, the capital of the Northern Song Dynasty for hundreds of years can even be traced back to one or two hundred years ago, and it was the core of the entire Central Plains, which played a huge role.

But in Zhao Xin's eyes, except for Renzong as his father, there is almost no other influence.

Bianliang, as the capital of the Northern Song Dynasty, has been the focus of the Northern Song Dynasty for nearly 200 years, and even the first person in the whole world to have more than one million cities, but for Zhao Xin, what is this.

A million people, in the 21st century, is nothing, and even the United Nations is discussing improvements, so that a million people no longer become the representative of large cities, perhaps in the vast majority of cities in the world, the population of more than one million is always a symbol of glory, but in China, this is not remarkable at all.

With a population of more than 1 billion and the process of crazy industrial talk, there are more and more cities with a population of one million in China, and cities with a population of one million in China account for one-third of the world's cities with a population of more than one million.

However, in the 11th century, in the whole world, most of the cities were city-states, with a population of more than 100,000, which was already one of the few times, and Bianliang in the Northern Song Dynasty became the first city with a population of more than one million, which can be recorded in history.

Dinghai is a port, but also the foundation of the rise of Zhao Xin in the future, it can be said unceremoniously that without Dinghai, there would be no Zhao Xin today.

A fence with three piles, a hero with three gangs, this sentence seems very simple, but in fact, it is a wise saying, people who do not help are always just an individual.

A traverser may be able to change everything, and even get everything in the scheme, but those who really know it will know that the front is the best choice, and the good fighter has no great merit, it seems that it is for some people to wash the ground, but in the use of dignified power, defeat the enemy, will make the enemy feel powerless.

On the premise that the strength reaches a certain level, even if you are unpredictable, have too many skills, and face unrivaled forces, what can you do except passive resistance.

The traverser, with far more knowledge than this era, already has the power to change this era, just like the current Ding Haijun, in just one year, more than 2 million tons of steel centers have been built, 15 million tons of cement cement centers have been built, and longbows and fortresses have been popularized.

The reason why the Northern Song Dynasty perished, political corruption is only one of the reasons, the key factor, in fact, is that the Northern Song Dynasty did not give full play to their advantages at all, the Northern Song Dynasty's flowery economy, splendid science and technology, in the face of the Jurchen and Mongol unreasonable attacks, the Northern Song Dynasty is the master who was killed by random punches.

When a country is so huge that it is terrifyingly large, just like Russia during World War I, with a huge territory, a huge population, and a not very developed industry, such a country that lags behind the mainstream of Europe in all aspects, has always been the strongest force in Europe.

The longbow is very simple, and the long arrow is not difficult, but the materials of the longbow abound in the Northern Song Dynasty, and the Northern Song Dynasty already has all the foundations for the development of the longbow, but it has not lit up this technology and has not entered this level.

This is the sad thing about the Northern Song Dynasty, even if it has a lot of wealth that exceeds this era, but in the end, it is still cheaper than the Mongols, relying on the wealth of the entire Southern Song Dynasty, the Yuan Dynasty spent more than a hundred years, and finally perished under the contradictory plan, which is also the sad thing about the Yuan Dynasty.

With Zhao Xin as a traverser, he can bring the longbow, a simple, but powerful weapon, to the Northern Song Dynasty, and the Northern Song Dynasty has no problems developing it, and the more it develops, the Northern Song Dynasty will feel that the longbow is the most suitable weapon for the Northern Song Dynasty.

The tree species scattered all over the Northern Song Dynasty have laid the foundation for the Northern Song Dynasty to climb this scientific and technological line, and the combination of long bows and long arrows can bring the productivity of the Northern Song Dynasty to the extreme, in fact, the Northern Song Dynasty has been learning from others.

Infantry armor infantry, in fact, is a reference to the Western Xia and Liao heavy cavalry replication, although it is said that the Northern Song Dynasty's infantry armor, their protection ability is super strong, this protection ability, in fact, on the battlefield, has surpassed the Northern Song Dynasty and Liao, in the real battlefield comparison, the score achieved by the infantry armor, far more than the heavy cavalry, but because of the lack of mobility, the combat effectiveness of the infantry armor, is far underestimated.

Under the premise that both the Western Xia and the Liao State gave full play to their greatest advantages, the heavy infantry of the Northern Song Dynasty actually played a very limited role.

The obvious difference between infantry and cavalry is not in terms of protection and combat effectiveness, but in terms of mobility, infantry can never be compared with cavalry, perhaps the longbowman can not be compared with the mobility of cavalry, but his lethality and continuous combat ability are enough to show its strength, in the current time period, he is the most suitable for the Northern Song Dynasty armament.

Ding Haijun has popularized the basic strength of the longbow as the main body, but in fact, for Zhao Xin, this is not the most important, the longbow is just a foundation, a foundation that is not threatened by others

Such a foundation was laid and the Northern Song Dynasty was reborn, but in fact, the change of the Ding Navy was not the combat effectiveness brought by the longbow, even if now, the Ding Navy has no longbow and no fortress, but the foundation of the Ding Navy is enough to change the entire Northern Song Dynasty, the assembly line based on production, and various industries with industry as the main body, which is the foundation of the Ding Navy.

Ding Navy, almost forever, in Zhao Xin's heart, has a different imprint, even if part of the navy's industry will be transferred, but the commercial center will stay, the shipbuilding center will also be stayed, and even to a certain extent, the location of the navy, developed, is also a world-class port.

Even in the future, when Zhao Xin takes control of the mainland, Shanghai at the mouth of the Yangtze River, Wuhan where the Yangtze River penetrates into the hinterland of the mainland, and Beijing in the north, these may be better results for future development

These are enough, again, the choice of the Navy is mainly for convenience.

0 degree meridian, also known as the prime meridian, that is to say, it is the starting point of the east-west meridian, in the future, even if it is the fleet of the Song Dynasty, across the seven seas, the initial development of the area, is in East Asia and Southeast Asia, even if Zhao Xin has no confidence, it is impossible to occupy the Pacific Ocean at once, spread to the Indian Ocean and the Atlantic, that is really a bit ambitious.

Then, for nautical charts, the first thing to fill in is the coastal ports and some important islands, so that it is easy to form a relatively standard area.

If you choose Bianliang, not to mention the initial time, the chart is gradually spreading, there is a blank in any place, will affect the accuracy of the subsequent drawing, after determining the coordinates of latitude and longitude, you can't start directly from thirty or forty, in that case, the important cities of the Northern Song Dynasty have to be measured, and the workload is too great.

Even Zhao Xin can devote this energy to include these parts in the ranging, a perfect map, the coordinates of these latitude and longitude lines are necessary, but now it is far from getting a map.

Even if they forcibly take Bianliang as the starting point of the prime meridian, then the area where the navy is active is not in this vicinity, and when the time comes, the most important ports, supply ports, and these locations, their coordinates are relatively strange, at least a dozen or dozens, and as for the area between zero and 30 degrees, it is basically on the mainland, or here in the Indochina Peninsula, which is also a little inconvenient.

Bianliang and Dingjun, these two choices, at the beginning, just in Zhao Xin's heart, hesitated for almost half an hour, and it was already decided, that is, the Dingnavy, in the line of the Dingnavy, it was positioned as the prime meridian, east and west, and divided into east and west.

In fact, the meridian, except for the prime meridian, is not very important, and a less standard is the use of the North Star, the earth always points to the North Star, and it also brings how many degrees of angles between different positions and the North Star, that is, how many degrees.

Such an algorithm, in the era of astrophysics, will refute the mess, the movement of celestial bodies, there are always errors and angles, in the huge celestial data, even the speed of light travel, is calculated in years, even after the decimal point, hundreds of places, or even thousands of places, the error is huge.

However, it is really nothing for navigation ranging, the ranging of the North Star is relatively accurate, for the ranging of latitude and longitude, the error is very small, and the error of one degree may not exceed a few meters, which is enough for early navigation.

The meridian is even simpler, according to the earth, divided into 24 hours, divided into 24 urban areas, the distance of each time zone is the same, that is to say, according to the time of the day, after 24 equal divisions, the difference is one of the twenty-four, which is a time zone, and then subdivided into 360 degrees.

This requires a lot of calculations, and similarly, it also requires some knowledge of astrophysics, but fortunately, this knowledge is not profound, it is in high school physics, and the rest is the general principles of optics.

For example, at the same time, the whole earth, above the same meridian, the angle of the sun is the same, for example, the angle between the morning and dusk line and the meridian is equal to the dimension of the direct point of the sun.

These are only the knowledge of optics at the beginning of middle school, and in later generations, everyone knows it, but in this era, even a few basic positioning of optics have not been completed, which is the secret technique.

As Zhao Xin, who has been affected by the 21st century and the era of consulting, he is well aware that the important role of latitude and longitude lines is also one of the few important ways to go behind enemy lines and judge the location of the enemy on land.

It is impossible for every person who goes deep behind the enemy line to know the environment behind the enemy very well, and even if he does, it is also a rough one, a simple sextant can simply judge the general coordinates of the sun through the position of the sun, and then know the environment in which he is located, which is very critical for marching and fighting.

Why, the strong Central Plains civilization has repeatedly held the nomads There is no way, it is because of this location determination problem, the vast steppe, there is no general reference, there is no familiar guide, to the grassland, how many people are buried in.

Of course, the highest use of latitude and longitude is in navigation, the emergence of the sextant is an epoch-making achievement in navigation, but the sextant is not used alone, the role of the sextant is to determine an angle with the sun, and the plane where it is located, forming an angle, and this angle must be fixed with the latitude and longitude, calculated, and finally determine the latitude and longitude.

This latitude and longitude has no meaning, if it is not matched with the latitude and longitude, even if you get this latitude and longitude, it is not much use, a specific coordinate, how far away is the distance, but also need a specific chart, between a specific location to judge.

Without a complete chart, without the position of the latitude and longitude on the chart, it is impossible to determine how far they are from the target.

Navigation technology, the ship is the key, without a ship, there is no way to cross the ocean, without a ship, either drowned in the ocean, or, just look at the sea and sigh, in the absence of large, more suitable for navigation of the sea, even if other aspects are strong, can not go deep into the ocean.

In the depths of the ocean, higher wind and waves, will make these structures can not meet the standard boats, completely destroyed, when the navigation is not developed, the sea is a ghost gate for fishermen, the reason is that all aspects are not sound, a simple structure of the boat, when encountering a slightly larger wind and waves, it will disintegrate, in the sea without wind and three feet, the smaller the wind and waves, the more concentrated, the more frequent.

Above the sea, the storms that are often visible, in fact, are only some small probability events compared to the entire sea, and later generations have even summarized some shipping lanes to avoid most of the storms, and almost all of the wind and waves have been avoided under the premise that the weather forecast and various communication measures are very strong.

The more powerful the ship, the stronger the resistance to wind and waves, around World War I, when the world's warships entered the era of super fearless, or even stronger, the impact of simple wind and waves on the ship has been reduced to the minimum, and it is rare to hear that a certain warship sank in a tropical storm.

Not to mention the current military and developed military facilities, let's just say that the technical content of those warships and the ability to deal with them in the face of high sea conditions are, in fact, the basic requirements of the entire warship; if a warship cannot withstand even an ordinary natural storm, what is this warship equivalent to?

In fact, even in the 21st century, most fleets can only avoid natural bad weather, especially for the aircraft carrier task force, which can only avoid in advance under the premise of encountering violent storms.

Genius one second to remember the address of this site:. Mobile version reading URL: m.