A new type of DC current comparator is researched which includes two parts: a bidirectional self saturating magnetic amplifier and a two care self saturating magnetic amplifier.

研究了一种新型直流电流比较仪，它包括两个环节：双向自饱和磁放大器和双铁芯自饱和磁放大器。

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Drugs that need a doctor's prescription became a bigger part of the debate over health care costs in two thousand three.

VOA: special.2009.08.14

Well, it turns out that if you want to check two conditions and you only care that one of them is true or the other one is true.

好的，结果是如果你想要核对两个条件,你只关心其中一个是正确的,或另外一个是正确的。

哈佛公开课 - 计算机科学课程节选

Her family later sent her to a care center where she lived until her death in two thousand five.

VOA: special.2009.08.23

One day centre for adults with learning disabilities and two care homes will close.

BBC: Wirral Council ?42m cuts proposed

Two care homes in Cornwall have been criticised in a report by the Care Quality Commission (CQC).

BBC: Cornish care homes criticised in CQC report

Two care home staff have been arrested on suspicion of assaulting and neglecting an elderly resident at a home near Bristol.

BBC: Wraxall care home staff arrested after assault allegation