When file space is contractive, released partial space.

当文件空间收缩时，释放了部分空间。

In this paper, we give a more general contractive condition.

给出了一个一般的压缩条件，所给的压缩条件便于应用。

This can contractive pore, and can improve skin's blood circulation.

这样可以收缩毛孔，并能促进皮肤的血液循环。

The optimal sports items were swimming ping-pong and others but not contractive sports.

但应避免接触性运动，最佳运动有游泳、打乒乓球等。

A method about free contractive diameter has been introduced and compared with upset extrusion.

介绍了冷挤花键轴自由缩径成形方法，并将其和镦挤成形方法进行了比较；