Figure 21 - 12 : Selection is normally a mutually exclusive operation.图 21-12 选择通常是一种相互排斥的操作.The two assertions are mutually exclusive , ie cannot both be true.这两种说法相互排斥.These three mechanisms, while independent, are not...
Plots of land have been demarcated by barbed wire.一块块土地都用带刺的铁丝网圈了起来。The two provinces are demarcated by a river.两省以河流分界.Work areas were not sharply demarcated but extremely fluid and changing.工作范围并无明显区分,但流动性极大....