The mining disaster not only teaches us a bitter lesson, but also reveals the blind area of law.
Even if your mobile phone is shut down or in the blind area as soon as you turn it on or enter the service area you will receive the notification.
It's a pity that a blind area has been existing in modern education, namely, the life education which we need most has been ignored.
From a psychological point of view, the longer two people get along, the less interest they have in understanding each other, so there is a blind area of love.
The relationship among visual range, minimum blind area of photoelectric transformation system, emitting energy of lasers and distance from the instrument to cooperation target was gained.
The omnidirectional image reflector utilizes the planar mirror in the edge to form whole field mapped image without blind area.
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