In the paper, We present the recent theory and experiments of the fifth force.

本文介绍了近年来关于第五种力的理论及实验情况。

youdao

First he announced plans to sack a fifth of the firm's sales force.

首先，他宣布了裁员计划，要裁去公司五分之一的销售人员。

youdao

First he announced plans to sack a fifth of the firm's sales force.

首先，他宣布了裁员计划，要裁去公司五分之一的销售人员。

youdao