压缩机的轴功率是指电动机传到压缩机曲轴上的功率,也称()。
A.有效功率
B.指示功率
C.摩擦功率
D.总功率
参考答案:A
某机构想保藏鼠疫的菌种,请问需要经过哪个部门的批准()
A.县级以上人民政府
B.县级以上人民政府卫生行政部门
C.省级以上人民政府
D.省级以上人民政府卫生行政部门
E.国务院
You are the project manager responsible for developing a software application based on customer requirements.As the customer requirements keep changing frequently,what tool can you use to conduct integrated change control of your project ?()
A.Project selection method
B.Additional plannin
C.Corrective actio
D.Project management information syste