The Man of Steel is easy to understand, and the system NPCs don't explain much.

"Teacher, be aware of what resolution and refresh rate you are talking about, what do you mean?"

When Ji Xiang asked this question, he had a psychological expectation.

With his understanding of system NPCs, he will inevitably give himself a large amount of basic theory first.

Sure enough, as Ji Xiang expected, the system NPC began to speak at length.

"The resolution depends on the number of cones and rods.

The human body contains cones: 6 million to 7 million, responsible for color recognition and vision in brighter environments.

Rods: about 125 million, responsible for vision at night, at the edge of the line of sight, have no color perception, and contain a light-sensitive substance."

「……」

Ten minutes later, the system NPC finished speaking.

"I'll give you an example."

Ji Xiang finally waited for this link of giving an example, and his spirit was shocked.

Pure theory sounds too boring, but the system NPCs always give examples while talking about theories.

It's a good habit.

"I participated in a research project in the Air Force as a human bioengineering expert."

"During the test, a constantly flashing picture is released, and some pilots can even distinguish the model of the aircraft, even if the image of the aircraft only appears for 1/220th of a second, which means that the "refresh rate" of the human eye is actually far above 120Hz."

"That's the resolution of the human eye."

1/220 sec!

Ji Xiang was surprised that the pilots had such a strong quality!

It's hard to imagine.

"It's an active skill, and if it's a passive skill, your life will be affected." The system NPC said, "Normal people, you can only click and select skills when you need to."

"When to use it, teacher."

"Of course, when you do surgery, especially some delicate surgery, such as microscope surgery, such as interventional surgery, etc."

It's interventional surgery again!

Ji Xiang felt that the reward for this big competition was completely customized, and it was customized for himself to have interventional surgery in the future.

If he was new to the system, Ji Xiang would definitely think that this place was full of intrigues.

"That's probably it, if you talk too much, you'll get annoyed, so don't say too much, and when you use it, you'll deepen your understanding."

"Teacher, I have one more question." Ji Xiang raised his hand.

"Say."

"I now have 18.3 random attributes, where do you think you can add them?" Ji Xiang asked.

The system NPC looked at Ji Xiang with a smile, "You didn't seem to hesitate at all last time, and you directly added it to luck."

Ji Xiang nodded, "Teacher, I think luck is very important."

"Then add it."

"What do you mean......" Ji Xiang didn't expect the system NPCs to be so supportive of his "willful" ability to add all the free attribute points to luck.

"Surgeons know one thing, but no one can change it." "No matter how good and careful the surgery is, there is a certain probability of complications after surgery. Or the incision is infected, or the tumor metastasizes, or even appendicitis can kill people."

Ji Xiang seems to understand the meaning of the system NPC.

"A simple example, vascular thrombolysis." The system NPC continued, "Thrombolysis is a simple procedure that requires puncture and catheterization. However, during thrombolysis, small embolus will fall off, and if you are not careful, the peripheral blood vessels will be blocked, and even lead to limb necrosis."

"The so-called carelessness is beyond the control of the doctor. At this time, all you need is luck."

"If you are lucky, it means that the patient has a high luck bonus in terms of surgical treatment."

Ji Xiang nodded repeatedly.

He knew where his thinking was wrong.

The system is a system for doctors, and the so-called luck value will not reduce the probability of getting into a car accident, but will only increase the probability of luck related to medical treatment.

"For example, if you are about to come into contact with a partial nephrectomy, whether the postoperative bleeding is not bleeding is related to the surgical technique, but even if the surgery is strong enough for me, it cannot completely avoid postoperative bleeding."

"......" Ji Xiang thought that he had long been immune to all kinds of Versailles of the system NPCs, but when he heard him say that it was strong enough for me, he was still a little unacceptable.

Even if it's as strong as me...... Although it is very ordinary, it is quite emotional.

"The high luck value, coupled with the bonus of reducing the surgical error rate, can basically avoid similar situations."

"Teacher, basic?" Ji Xiang accurately grasped the key points in the NPC words of the system.

"Yes." The system NPC gave Ji Xiang a positive answer, "It can only be basically avoided, and it cannot be 100%."

Ji Xiang is a little regretful.

It would be nice if it could be 100% free of complications and sequelae.

"The next surgery to train is partial nephrectomy and treatment of complications."

"I ......"

Ji Xiang looked at the more than 500,000 experience points he had accumulated, and he already understood the meaning of the system NPC.

"Going to fill up the interventional surgery?" Ji Xiang asked.

The system NPC didn't answer his question, but sniffed the white lingzhi with a curly relationship.

Probably so, Ji Xiang didn't feel much distressed, and was ready to fill the interventional operation directly.

Because interventional surgery and urology belong to two different branches, the foundation is weak, and you can only start from scratch.

Ji Xiang clicked on the system page, found the radiology department, and clicked to enter the interventional surgery.

A row of menu drop-downs.

He glanced at it, and hundreds of techniques gave Ji Xiang a headache.

"Teacher, which technique should I add?" Ji Xiang asked.

"Vascular interventional embolization."

Ji Xiang did not hesitate to click upgrade.

The new LV9 level interventional embolization has appeared, and the passive skills given by the upgrade are still the same, but they only increase hand speed and reduce the error rate.

And there is no active skill such as [Senior Medic's Gaze].

It seems that the [gaze of the senior doctor] should be a benefit given by the system to novices.

"Teacher, I'm okay with this."

"Before you train, do you empathize?" System NPC suggested.

Is there a partial nephrectomy?

Plus postoperative bleeding.

Ji Xiang was also curious about this, because the surgery for partial nephrectomy and the complications were somewhat different from other surgeries.

Bleeding usually occurs very late after this procedure, and just when the patient thinks he or she has recovered, a single bleeding may lead to tragedy.

"Okay." Ji Xiang is not pretentious, he just empathizes, his mind is strong and unmatched, and he doesn't feel anything. Since the system NPC suggests, it's better to feel it for yourself.

"Follow me." With a slight shake of the deformed fingers of the system NPC, the white lingzhi disappeared between the fingers, as if by magic.

Ji Xiang knows that the hand speed of the NPC in the system is indescribable, anyway, he can't compare to his current self.

Walking into the next room with the system NPC, the light and shadow flickered, and Ji Xiang began to empathize.

When he opened his eyes, Ji Xiang found himself sitting in the consultation room.

Across from him was a middle-aged doctor who was telling himself something.

"I work in a hospital, and I'm not a shareholder of the hospital, so I don't care what the leaders say."

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