点检状态分()两种,通常温度、压力、流量、振动、异音、动作状态等须在运行状况下进行点检,其余须在停止状态下进行点检。
参考答案:停止(静态)或运行(动态)
在计算机的汉字系统中,一个汉字的内码占______个字节。
A.1
B.2
C.3
D.4
Marginal revenue product is best defined as the:()
A. additional output that results from employing one more unit of a productive input.
B. gain in total revenue from selling one more unit of output.
C. addition to total revenue from selling the additional output from using one more unit of an input.