The systems are getting smaller and using lower voltages.

这些系统正变得更小而且使用更低的电压。

《柯林斯英汉双解大词典》

youdao

youdao

Twenty feet -- that's six meters. Other suggestions include putting more distance between you and the device and using good lighting.

VOA: special.2011.08.01

And using the text plus these archive notes,I think you will be able to piece together what you need.

使用这个课本，再加上存档笔记，我想,你们已经能组合出你们需要的了。

麻省理工公开课 - 固态化学导论课程节选

You'll hear them all the time and you should be using them all the time as well.

你会总是听见人们在使用这个句型，你也可以经常使用到生活中。

Who 课堂 - SpeakingMax英语口语达人

"We're looking at the credibility of the complainant and using due diligence, " the official said.

CNN: FBI finds some ricin on letters to Obama, Bloomberg

And using the dodge of a recess appointment could cripple any new defence secretary.

ECONOMIST: Terror, torture and the political consequences

He still looks somewhat frail, relying on a cane and using a wheelchair and walker occasionally.

CNN: Rehnquist decision clarifies political landscape