Invisibility to the naked eye means that the aircraft cannot be seen by the naked eye, but the radar can capture the signal. Most aircraft have this function.
Radar stealth means that the eyes can see it, but the radar cannot capture the signal. For example, drones that can fly at low altitudes can bypass radar searches, but they cannot avoid people's eyes.
Some fighter jets with excellent performance can achieve both invisible to the naked eye and invisible to radar. They are true stealth fighter jets.
However, to achieve this effect, not only special requirements are placed on building materials, but also very high requirements are placed on various performance indicators of the equipment.
In terms of cost, it is definitely not something that ordinary people can afford.
Even among the four great noble families, only two have a large "aircraft" that can achieve both invisible to the naked eye and invisible to radar.
As Xia Chujian gradually got used to it, she discovered that her Shao Siming black and silver mecha could freely choose between two stealth modes.
Invisible to the naked eye, invisible to radar, or both.
This time, Xia Chujian chose both without hesitation.
At the same time, invisibility requires more energy and lasts for a shorter time, but Xia Chujian doesn't care how much energy it will use at this time. He just wants to be free and fly as he pleases between heaven and earth.
She passed between buildings, unable to be caught by any eyes or surveillance.
She even flew to the next door community and found the house that Ping Qiong bought.
Xia Chujian stopped at the window and looked for a while. It was dark inside and he couldn't see clearly.
She turned on the infrared perspective system on the helmet eyepiece and found that the house was exactly the same as the day she and Ping Qiong viewed it.
It hasn't been renovated yet...
She flew north to the outskirts of Mulan City, wanting to check on her land.
With the speed of her Shao Siming black silver mecha, it would only take a few minutes.
Ten minutes later, she floated above the high wall and took a deep breath.
Then, it flew around its own land again, and when it didn't feel anything unusual, it flew back slowly.
On the way back, she slowed down, wanting to enjoy the fresh air under the night sky more.
Mulan City is actually not peaceful late at night.
In the dark corners of the streets, all kinds of crimes are taking place.
Xia Chumian had no expression on his face. He had dealt with three robbers, two murderers who were in the process of killing people, and a man with bad intentions because he was holding a wet handkerchief and following a woman who was going home from her night shift.
Just as the man was about to cover the woman's face with the wet towel from behind, Xia Chujian kicked him into the air.
As for how he fell in the end and where he fell, it was none of her business.
The woman seemed to sense something, turned back in fear, and then ran faster.
In front, after her family who came to pick her up met her, Xia Chujian left quietly.
When Xia Chujian returned home again, it was already three o'clock in the morning.
The early summer breeze gently brushed against her helmet.
Xia Chujian flew in lightly through the window.
Before he could retract his Shao Siming black and silver mecha, he suddenly heard Liu Shun say at the door: "Master, there's something wrong with the big black dog next door. It's already banging on the door."
Xia Chujian's heart skipped a beat.
She took a deep breath, and without taking back her Shao Siming black and silver mecha, she directly pulled out a khaki work suit from the closet, put it on over the Shao Siming black and silver mecha, and then came out of the bedroom.
Liu Shun was stunned when he first saw Xia Chujian Shao Siming's black and silver mecha helmet.
Its eyes flashed red, and after a while, it confirmed that the man in the helmet in front of it was its owner.
Xia Chujian didn't bother to hide her helmet in front of Liu Shun at this time, because this time, she didn't need to listen carefully to hear the movements on the other side.
At this time, the big black dog was not just barking, but was actually banging on the door!
No matter how soundproof the decoration of the door opposite is, it cannot block this kind of physical movement.
Xia Chujian had a bad feeling in his heart.
She rushed to the living room and opened the door.
Yes, the door in front was indeed shaking as it was bumped by the big black dog.
Xia Chujian immediately turned on the far-infrared night vision system function of Shao Siming's helmet's built-in eyepiece.
This function allows the helmet eyepiece to see the scene behind the wall through the far-infrared imaging system.
After opening it, she found that she could only see the entrance behind the door.
After the entrance hall, the far infrared perspective function is no longer effective.
Inside the entrance, the image of the big black dog desperately banging against the door appeared on the display screen of her helmet eyepiece.
Xia Chujian immediately clenched his palm into a fist, knocked on the door lock, and said loudly: "Open the door, you can open the lock from here."
The big black dog in the house heard it, and the banging sound seemed to stop for a while. Then it seemed to understand what Xia Chujian meant, and began to stand up on its two hind legs, holding the door handle with its two front paws.
Not long after, there was a click sound, and the door was really opened by the big black dog!
It rushed out suddenly, and Xia Chujian quickly moved out of the way, otherwise he would have been hit by the big black dog.
But the big black dog did not hide when it saw her as it did before. Instead, it barked at her even more shrilly.
It seems that some unforeseen horror is about to happen.
Xia Chujian knew that some animals had an inexplicable premonition of natural disasters.
Could it be that this big black dog had a premonition of some natural disaster?
The first thing Xia Chujian thought of was an earthquake.
Then I thought about my little dog. Why didn’t it feel anything?
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