结脉与促脉的主要不同点在于()
A.脉位的浮沉
B.脉力的大小
C.脉形的长短
D.脉率的快慢
E.脉律的齐否
参考答案:D
燃气轮机组的(),是指决定机组安全和经济运行的参数在允许范围内波动时,负载维持不变或缓慢变化这样一种状况。
PDM includes four types of dependencies or precedence relationships:().The completion ofthe successor activity depends upon the initiation of the predecessor activity.
A.Finish-to-Start
B.Finish-to-Finish
C.Start-to-Start
D.Start-to-Finish