In 1918 the Radium Institute, whose staff Irène had joined, began to operate in earnest, and became a centre for nuclear physics and chemistry.

1918年，员工艾琳加入的镭研究所开始认真运作，并成为核物理和化学中心。

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For example, early models of high-speed railroad cars loaded with sophisticated controls were unable to operate in a snowstorm because a fan sucked snow into the electrical system.

例如，装有复杂的控制装置的早期高速列车模型无法在暴风雪中运行，因为风扇会把雪吸进电力系统。

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Solar panels can only operate in sunlight.

太阳能电池板只能在日光下起作用。

《牛津词典》

The programs operate in one hundred forty-four countries, many in sub-Saharan Africa.

VOA: special.2010.03.10

So, I have learned a lot from that company and other companies who operate in a similar fashion.

所以我从这个公司和其他,以同样形式运行的公司学到了很多。

斯坦福公开课 - Twitter之父Jack.Dorsey演讲：好奇和灵感的力量课程节选

They understand that to compete, they're going to have to going to operate in Europe and in Asia.

他们知道要竞争，他们将来必须,到欧洲和亚洲发展。

普林斯顿公开课 - 国际座谈会课程节选

Like Airbnb, EatWith and other dinner-hosting start-ups operate in a grey area of the law.

BBC: Would you eat in a stranger's home?

So why do so many businesses operate in a more casual manner in the summer?

FORBES: Casual Summer Work Environment Kills Productivity and Profits

He said Google was "absolutely following the tax laws of the countries we operate in".

BBC: Republic of Ireland calls for international tax action