CAS
CAS(Compare And Swap,比较交换)指的是对于一个变量,比较它的内存的值与期望值是否相同,如果相同则将内存值修改为新的指定的值。即CAS包括两个步骤:1.比较内存值与期望值是否相同;2.相同则…
安科瑞 华楠
Abstract: the necessity of applying residual current relay in intelligent building is analyzed, the main functions, working principle, classification situation of ASJ residual current relay are introduced, and the principles and precautions in…