对Apple来说，bootrom漏洞很难修补，因为他们利用了硬件层面的弱点。
Bootrom exploits are harder for Apple to patch because they take advantage of a vulnerability on the hardware level.
此种方法为完全硬件层面显示，提供和人眼视觉完全一样的显示效果，对摄像头安装和自身物理参数校正具有显著帮助。
This method for complete hardware level, and that provide human visual exactly the same display effect on camera, installation and their own physical parameters calibration has significant help.
有充分的理由支撑，它(IBM PC)的ESC键释出的不是字符本身，而是一个“扫描指令”。随后这个指令被映射至硬件层面，就像编译器所做的。
For excellent and sufficient reasons, its keys emitted not the character itself but a "scan code", which was then remapped to the hardware level, just as a compiler would.
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