If a virus writer, or a metamorphic engine, attempts to obfuscate the computation of the port number, the anti-virus system may apply constant folding to de-obfuscate it.
如果某个病毒作者或变形引擎企图使端口号的计算变得混乱，反病毒系统可能运用常数合并来反混淆。
2
"World Port", which tells the tale of Antwerp from the Middle Ages on, is a coup DE theatre.
“世界港口”讲述了安特卫普从中世纪起的传说，它发生了戏剧性的改变。
3
Pas DE Calais was the narrowest passage of the English Channel. It was only 32 kilometers from the English port of Dover to the French port of Calais.