Lower and raise the ramp to see how the Angle of inclination affects the parallel forces acting on the file cabinet.

把斜坡抬高或放低，看倾斜角度如何影响文件盒上的平行作用力。

youdao

Considering the Angle of locating document resources, existing peer-to-peer resource sharing systems only provide coarse-grained resource location based on file names.

从文档资源定位的角度考察，现有的对等网资源共享系统都仅支持基于文件名的粗粒度资源定位。

youdao