What skills are needed to operate this machinery?

操作这种机器需要什么技能？

《牛津词典》

Stronger legal safeguards are needed to protect the consumer.

需要有更有力的法律措施来保护消费者。

《牛津词典》

Such measures are needed to equalize wage rates between countries.

要使各国的工资水平均等，这些措施是必要的。

《柯林斯英汉双解大词典》

Wisconsin's newly elected governor, Scott Walker, says limits are needed on labor unions to help cut a deficit in the state budget.

VOA: special.2011.02.25

If it is a lab it will include the lab instructions and often all the tools if there are software tools that are needed for that lab.

如果是实验室，将会包含实验指导,如果需要软件工具的话,还会提供工具。

麻省理工公开课 - 媒体、教育、市场课程节选

One is the resources that are needed in order to do this.

一是因为做成这件事所需要的资金

耶鲁公开课 - 生物医学工程探索课程节选

Whichever system is adopted (and both might be, for different applications), two further things are needed.

ECONOMIST: Monitor

No passports are needed for US citizens to travel to the US Virgin Islands.

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What is sad is that these centers are needed for troubled youth, when used properly.

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