导致航空发动机性能衰退的形式有很多种，其中由积垢沉淀因素造成的叶片粗糙度增大是具有代表性的原因。
There are many factors leading to the aero-engine performance declination, especially roughness increase caused by the lamina fouling is a typical reason.
组织犯是共犯者类型之一，围绕组织犯的概念界定产生了不同的理论学说，其中具有代表性的有特有类型说、等同说、一般类型说。
A one-sided organizing criminal refers to the organizing criminal who organizes, commands and plans the crime that is committed by the perpetrator who has ignorant of the crime before.
应用推荐