The result show that the optimized ac contactor can reduce bouncing time of contact greatly, with energy saving and material saving...

结果表明，改造后的交流接触器节能、节材，大大减少了触头的弹跳时间。

youdao

People who have spent a lot of time in contact with animals often develop animal-induced allergies, some of them quite serious.

与动物接触过很长时间的人通常会患上对动物过敏的疾病，其中一些还很严重。

youdao

People who have spent a lot of time in contact with animals often develop animal-induced allergies, a significant percentage of which are quite serious.

与动物接触过很长时间的人往往会患上动物过敏，其中大部分是相当严重的。

youdao

Whenever there is a force, it can be traced back to a tangible material cause, which is all the time a force of contact, with the exception of gravity.

如果有作用力,那它一定能找到一个明确的实体施力物体,也就是无论何时物体受的都是接触力,引力除外

耶鲁公开课 - 基础物理课程节选

"There's plenty of time to contact us and we are listening, " he said.

BBC: Nottingham

Police are appealing for the driver of a small dark-coloured car which was in the area at the time of the incident to contact them urgently.

BBC: Colburn car checks a week after hit-and-run

Police have appealed for anyone who saw the man or a silver or grey saloon vehicle near the scene at the time of the attack to contact the force.

BBC: Woman sexually assaulted in Coventry on New Year's Day