造成差错的外部环境都有哪些()
A.不遵守程序
B.干扰、注意力分散
C.时间压力
D.以上都是
参考答案:D
在同样的压力比和膨胀过程指数下,相对余隙容a越大,则残留气体膨胀后所占相对容积越大,气缸利用率越缩流体。
The Unified Modeling Language is a standard graphical language for modeling object-oriented software()can show the behavior of systems in terms of how objects interact with each other.
A.Classdiagram
B.Componentdiagram
C.Sequencediagram
D.Use case diagram