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1·The great mathematician never saw his calendar put into use.

这位伟大的数学家从未看到他的日历投入使用。

2·Once enough people realize the need for recycling, more effective recycling systems can be put into use.

一旦足够多的人意识到回收的必要性，更有效的回收系统就可以投入使用。

3·A high-tech zebra crossing with flashing lights and audio warning was put into use for the first time in Bishan district, Chongqing a few months ago.

几个月前，一条高科技斑马线在重庆璧山区首次投入使用，该斑马线配有闪光灯和音频警告。

4·Western Europeans had also developed and put into use the magnetic compass, which helped when clouds obliterated both the Sun and the stars.

西欧人也已经发明并且使用了磁罗盘，当云彩同时遮住了太阳和星星时，它就能起作用。

5·Quite a few new laws and rules on food safety were put into use last month.

上个月，不少关于食品安全的新法律法规开始生效。

6·The robot sifter has been put into use.

自动筛选机已投入使用。

7·Produced by the 119 submarines, 113 have been put into use.

生产出来的119艘潜艇中，有113艘投入了使用。

8·We have a great number of advanced equipment to put into use.

我们有大量的先进设备能够应用在新型的火车上。

9·At last this machine is put into use in the semiconductor company.

最后该机器在半导体公司得到良好的实际应用。

10·A new beer filling production line, can be put into use next year.

一种新的啤酒灌装生产线，可以投入使用，明年。