It'll have to operate for long periods of time in very cold temperatures.

它必须长时间在非常低的温度下运行。

youdao

They have to operate for long periods of time before the costs of development have been recovered.

在收回开发费用之前，它们必须运作很长一段时间。

youdao

As temperatures plunge this winter, the well will operate for 100 days.

随着冬季来临、气温大幅下降，试验井将运营100天。

youdao

But his administration also wants stronger rules for colleges that operate for profit.

VOA: special.2010.07.29

Hobbes, as we see, sometimes writes as a sort of scientist or proto-scientist for whom nature and one supposes the laws of nature operate with the same kind of necessity as the laws of physical attraction.

霍布斯有些时候,像科学家或者原科学家一样写作,对他来说，自然和自然法,与另一种必需法则,即物质吸引的法则共同作用。

耶鲁公开课 - 政治哲学导论课程节选

The Royal Swedish Academy says the DNA in cells contains the designs for how people, plants and bacteria look and operate.

VOA: special.2009.12.08

Each rover was only supposed to operate for 90 days, but both far exceeded that time frame.

CNN: What we've done on Mars, and what's next

The government said suspension of the rules will operate for a limited period between 15 and 28 April.

BBC: Isle of Man livestock burial rules relaxed

The two governments expect the scheme to operate for the next 30 years or longer, possibly until 2050.

BBC: Pacific islanders flee rising seas