Describing the specialities of the starting motor brushes are of short-time duty system, big current density and the contact voltage drop must be as small as possible.

汽车启动机电刷具有短时工作制、电流密度大及接触压降小的特点。

youdao

When do you come off duty?; What time do you knock off?

你什么时候下班?

《新英汉大辞典》

Even in Confucius's time it still seems to have been the first duty of the scholar.

而在孔子的时代，这似乎是成为一个学者的首要职责。

youdao

It's a worldview often obsessed, as we said last time, with notions of honor and duty.

如我们上次所说,这是个,经常执着于荣誉和责任观念的世界观

耶鲁公开课 - 美国内战与重建课程节选

After some time as a substitute bus driver, Poland began full-time duty shuttling students around Dale County four years ago.

CNN: STORY HIGHLIGHTS

The bulk of the list, though, consists of players who scored lucrative deals thanks to past successes, only to fade to part-time duty since.

FORBES

Around 10, 000 volunteers are trained and ready to operate more than 2, 000 local and appeal draft boards, assisted by some 1, 200 reserve officers assigned to part-time duty across the country.

ECONOMIST: Conscription��s lively ghost