two-way contact

Provided two contact bodies are in the critical state of relative sliding, the tangential force is proportional to the vertical force.

假设当两个接触面处于相对滑动的临界状态时，切向力与垂向力成正比。

If Christofias does win, it is likely that he will make contact with Turkish-Cypriot leader Mehmet Ali Talat in the north of Cyprus in the coming week and put an end to the communication-freeze between the two communities.

如果卡苏利季斯获胜，他很有可能会在下周和塞浦路斯北部的土族塞浦路斯领导人塔拉特取得联系，结束塞浦路斯土族和希族之间的交流僵局。

Consensual sexual contact between two males can be a criminal activity.

两名男性之间发生的双方自愿的性接触可能会构成犯罪。

There is little contact between the two organizations.

这两个机构相互之间没有什么联系。

We tried to contact all former students, but one or two slipped through the net.

我们试图同所有的校友取得联系，但有一两个未能找到。