To change tracks, bendable switches are used which consist of a continuous steel beam which is elastically bent by means of electro-mechanical setting drives.

若要改道，可采用曲性道岔。这些曲性道岔由无缝钢条组成，通过机电制导装置，使其柔性弯曲。

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The mechanical device to control the date and week activities space at night, if you change the setting at this time, it will disrupt the original rules.

控制日期及星期的机械装置在夜间有活动空隙，如果您在这个时间更改设定，就势必会打乱原有规律。

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The effect of heat setting conditions on the elastic resilience of IPP fibers has been investigated. The elastic resilience compares with other mechanical properties.

作者研究了热定型条件对丙纶弹性回复率的影响，并将回弹率与纤维的其它力学性质作了对比。

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Quartz movements offer no-nonsense precision without the fuss of setting and winding, though we look forward to a mechanical automatic version in the future.

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