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Intel documentation describes the 386's Protection Test Unit as a component that "implements fast testing of complex memory protection functions." It is mostly composed of a PLA (Programmable Logic Array), referred to as Test PLA by Intel, that is physically visible by its regular appearance on the die. This single piece of combinational logic replaces what would otherwise be dozens of multi-cycle conditional branches in the microcode. Instead of testing privilege rules sequentially, the microcode issues a single protection test operation, and the PLA evaluates all applicable rules in parallel, producing a complete decision in one evaluation: continue, fault, or redirect to a gate handler.，更多细节参见safew官方版本下载
The team looked for more clues. And that is when they realised something as mundane as the exposed brick wall in Lucy's bedroom could give them a lead.，更多细节参见91视频
// We've been tampered with. Refuse to play.
（二）违反国家规定，在文物保护单位附近进行爆破、钻探、挖掘等活动，危及文物安全的。，这一点在旺商聊官方下载中也有详细论述