Prime Minister's Residence, 10 Downing Street, Westminster Borough, London, England.

Disraeli stood gloomily by the window and looked through the gap in the curtain to look out at the street below, the wide street was crowded with dense protesters, after the contents of the "Shanghai Treaty" were publicly revealed, there were protesting crowds in front of his official residence from time to time, and the arrogant people could not accept the reality of the cession of the colonies of Bechuana and Natal in South Africa and the high war reparations.

The door to the office was gently pushed open, and Foreign Secretary Salisbury walked in quickly, and when he saw this, he slowed down and paced slowly, and said softly: "It should be the Liberals behind the instigation." ”

"I wish the Liberals had taken over sooner." Disraeli was a little depressed, because the war had led to a serious fiscal deficit, he had to raise the income tax, which caused a lot of dissatisfaction, and these days he had to deal with all kinds of attacks anytime and anywhere, and there was almost no peace.

"For the sake of the Empire, Your Excellency must hold out until next year's general election." Salisbury said and handed over a telegram, "German prisoners of war in South Africa have gone to Qing with all the Qing fleets. ”

After reading the telegram, Disraeli slowly walked back to the sofa and sat down, the prisoners of war from other countries were still stranded in South Africa to serve hard labor waiting for redemption, but more than 10,000 prisoners of war of the German Navy and Army returned to the Qing country with the Qing army, what does this mean? It is impossible for the Qing State to escort those German prisoners of war back to the Qing State for another disposal, this is unreasonable!

"I want to ——。" Salisbury said slowly: "The Qing State and Germany have reached a secret agreement, and those German prisoners of war should go to the Qing State for military exchanges. ”

I'm really afraid of something! Disraeli's habitual clasped hands together and the fact that Russian Prime Minister Gorchakov had only visited Berlin and did not respond to his invitation had already disturbed him, and now that there was a move towards closer cooperation between the two countries, his previous fears were gradually becoming a reality.

Without the threat from northern Russia and with the strong support of the Qing state, the ambitious Germany will inevitably take the steps to dominate the European continent and become the second Napoleonic empire, and the European continent will inevitably fall into a long-term large-scale war.

Unlike in the Napoleonic era, the Qing Empire in the East has risen strongly, and if Europe is plunged into a prolonged war, England will not only have no chance to regain its former glory, but may even be reduced from a first-class empire to a middle power.

After a long silence, he spoke: "This is a conspiracy of the Qing people, maybe we should have an open and honest discussion with Germany." ”

"A unified Germany not only has a huge population and natural resources, but also has an incomparable geographical advantage - it is located in the heart of the European continent, most of the overland trade routes pass through Germany, and in addition, the classical philosophical ideas inherited from ancient Greece have found an ideal settlement in Germany, giving Germany an unparalleled cultural advantage."

Salisbury said in a calm tone expressionlessly: "However, Germany's advantage is also a disadvantage, Germany is located in the center of Europe, with a vast territory, a large population, a single nation, a unified religion, a huge national defense mobilization capacity and a huge war potential, and poses a huge threat to the surrounding countries." This led to Germany being attacked on all sides!

Germany was very aware of this, so after defeating France and completing its unification, it actively carried out diplomacy and acted as an honest broker, with the aim of accumulating strength and waiting for opportunities.

Since the Qing people sent the opportunity to Germany, how could Germany let the opportunity slip away from it? Not to mention Kaiser Wilhelm, even Bismarck, who pursued a moderate continental policy, would not let go of this opportunity! ”

Disraeli frowned, "What do you mean, talk to Qingguo?" ”

"In the war in Europe, the Qing State is the biggest beneficiary." Salisbury shook his head slowly, "Qing Guo's industry started late, although it has caught up with or even surpassed our country in many aspects, but the industrial base is still weak, once Qing Guo loses its weapon advantage, Qing Guo is not our opponent."

For this point, the Qing State is also very clear, so the Qing State will support Germany, provoke war in Europe, and buy time for the industrial development of the Qing State, even if we talk to the Qing State, it will not be possible. ”

"Then we can only talk to Russia." Disraeli looked at him and said, "If the Russian emperor and the prime minister don't come to London, let's go to Petersburg?" ”

Salisbury said: "Before you go, it's better to create some opportunities in the Balkans, otherwise you risk getting a cold reception." ”

It is indeed necessary. Disraeli nodded slowly, groaning slightly, before he ordered: "The current public opinion is very unfavorable to us, let the newspapers disclose the truth about the naval battle in the Gulf of Maputo." ”

For the defeat of South Africa, the five European countries are very tacitly silent, the five countries jointly sent troops, gathered a huge number of troops to go to South Africa, but after the battle in Maputo Bay, they negotiated a truce, and the key naval battle, the Qing State still won more with less, if it is publicly reported, it will not only cause panic among the people, but also seriously hit the confidence of the people, which is not conducive to future war mobilization.

Disraeli didn't care so much at the moment, and making the truth about the naval battle in Maputo Bay public would at least alleviate his current predicament, and he believed that it was impossible to hide it for a long time, and Germany might report it publicly.

There was a sense of pessimism and concern throughout England as several major newspapers reported on the Battle of Maputo Bay, when the Qing navy defeated the Royal Navy for the first time in the Mozambique Strait with torpedoes eight years ago.

This time, the Qing navy defeated the combined fleet of five European countries, including England, with torpedoes, submarines, and new mines.

For the English people, who have been the supremacy of the sea for more than 100 years, this is undoubtedly an extremely heavy blow, a heavy blow to self-confidence, which is tantamount to the Qing Dynasty, which was immersed in the Celestial Empire.

Disraeli, of course, did not let this pessimism creep in, but gave a famous speech in public – technology is an important force in national defense. He called for attaching importance to science and technology and concentrating manpower and financial resources on the development of military science and technology.

The speech was quickly published in major newspapers, and was soon reprinted by newspapers around the world, and of course, the naval battle in South Africa was also reported, and in the propaganda of public opinion in various countries, the Qing State also officially established the status of a world-class military power.

Qing Empire, Qingdao, Qingdao Shipyard.

The huge dock was busy, countless machines and workers were busy on a huge warship that had already taken shape, Yi Zhicontent, wearing a hard hat, was watching from afar accompanied by a group of officers and engineers, and Huang Dianyuan, who came to Qingdao Shipyard for the first time, was full of shock.

Qingdao as the most important military industrial base in the Qing Dynasty, from the beginning of the construction has been in a closed state, not open to the outside world at all, with the continuous development of Qingdao, although gradually open to the outside world, but not ordinary people can come in by the way, although Huang Dianyuan is the president of the South China Association, it is also the first time to set foot in Qingdao.

"This warship under construction, although it is not the largest warship, is definitely the most advanced warship in the world, and it will inevitably lead the trend of the world's naval warships in the future." Yi Zhishu introduced Huang Dianyuan with confidence.

Looking at the huge hull, Huang Dianyuan asked, "More than a hundred meters, right?" ”

"The total length is 125 meters, the width of the ship is 23 meters, the displacement is 14,000 tons, and the draft is 8.5 meters." Yi Zhixiang had a smile on his face, "This is the largest warship currently built in my country, with an all-steel hull, and it is equipped with 4 305MM main guns of the same caliber and a unified ratio of ........" ”

For battleships, Huang Dianyuan is a complete layman, but he has also seen many battleships in Groba, but this is the first time he has seen such a huge battleship, even if it is just a prototype, he can see the huge battleship, and what shocked him is that Yuan Qi can build such a huge battleship.

Thinking about the time when he was young in the South Seas, four or five thousand tons of sail warships were already behemoths, and in just forty years, Yuan Qi was able to build such a huge ironclad ship, no wonder Yi Zhishu was content to desperately develop the industry.

After leaving the shipyard, Yi Zhizhi then took a boat back to Qingdao City, and after a lunch break, he drove to the relatively remote research institute area.

The research institute area is close to the bay, although remote but covers a vast area, the scenery is beautiful, there is a high-standard asphalt road connecting the city, there is a small military camp nearby, the whole area is classified as a military restricted area, and idlers are not allowed to approach.

The first research institute that Yi Zhishu inspected was the 246 Research Institute, which specialized in the study of sonar, and since he began to develop submarines, he set up a sonar research institute in order to reconnoiter submarines under the surface.

Sonar technology is the use of sound waves to detect man-made objects under the water surface, which is the main technology used by the navy in later generations for underwater surveillance, which can be used to detect, classify, locate and track underwater targets, as well as underwater communication and navigation.

There is no doubt that the study of sonar technology is completely easy to understand, and in this era when submarines have not yet appeared or become popular, no one except him would think of studying sonar.

It can be said that sonar technology, the Qing Dynasty is definitely far ahead of all countries in the world, of course, walking in the front, which means that more efforts need to be made, more time and money are needed.

Although the sonar research institute has been established for more than a decade and has been highly valued, the achievements in this new field have not been impressive, and so far the sonar device that has been developed is a passive listening device called a 'hydrophone'.

"The Submarine Research Institute attaches great importance to the navigation and reconnaissance functions of sonar technology, and hopes to install sonar on submarines for navigation and reconnaissance and ...... of surface ships." Seeing Yi Zhi's contentment, the director Tang Shenghe couldn't help but be cautious, and explained: "We can't refuse the request of the Submarine Research Institute.

However, we have not stopped researching hydrophones, and although we have not yet been able to develop the active sonar equipment required by the big shopkeeper, hydrophones can already meet the underwater surveillance ....... of ports. ”

The use of sonar technology for submarine navigation and reconnaissance is indeed a serious business, but the urgent need for easy contentment at the moment is to use sonar technology to reconnoiter submarines.

After a slight sigh, he said slowly: "There are priorities, the first battle in Maputo Bay in South Africa, the submarine shined, which will inevitably attract the attention of the navies of various countries, and it can be said with certainty that ten years later, submarines will inevitably become an indispensable new type of submarine for the navies of various countries, and it has become a very urgent task to detect submarines hidden under the surface of the sea."

Active sonar equipment, which can be installed on warships to conduct reconnaissance of submarines under the surface of the sea, must be the primary task at present, and I can try to meet them as much as possible in terms of manpower and funds. ”

"The big shopkeeper can rest assured." Tang Sheng said curtly: "We immediately adjusted the focus of our research. ”

"Sonar technology is not only an important military technology, but also widely used in civilian, underwater operations, underwater communications, hydrological surveys, submarine geological and geomorphological surveys, etc. ”

It is naturally a good thing to be able to increase scientific research and technical personnel, but the other party took the initiative to raise this, which also shows the urgent need for sonar technology. ”

Yi Zhishu nodded, and was about to go down there to go around the field, but suddenly thought of using sonar technology to navigate submarines, he pondered for a while, and then asked: "Sonar technology can be used for submarine navigation, can it be used for torpedo navigation?" ”

Torpedoes can still navigate? Actively tracking targets? Tang Shenghe didn't know much about torpedoes, so he hesitated: "I'm afraid I have to discuss this with the people of the Torpedo Research Institute." ”

The torpedo can automatically track the target of the attack, for this, Yi Zhixin is very sure, but he doesn't know whether the guidance of the torpedo relies on sonar, think about it carefully, it seems that it should be possible! What if a torpedo with active target tracking based on sonar guidance could be developed now?

That's absolutely a dozen! You can't escape!

Yi Zhishu quickly came back to his senses, the idea is very good, but it is absolutely impossible to realize it in a short time, not to mention the others, the active sonar equipment has not been able to be researched, and even if it is researched, it is difficult for those devices to fit into a small torpedo, and now is not the electronic age after all.

"You can bring up this idea and discuss whether it is possible." Yi Zhizu said slowly: "In addition, the various research institutes in Qingdao themselves have a great relationship, and they should not be so strictly distinguished. ”

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