It can choose single track or double track according to demand.

可根据实际需要选用单导轨或者双导轨。

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This paper expound design thought, working principle and advantage of double track typed flexible transmission with multi point engagement.

阐述了新一代双轨道式多柔传动装置的设计思想、工作原理及优点等。

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Such algorithm is applicable to regular, irregular, single track and double track train operation diagrams, and can solve conflict problems of operation line in a short period.

该算法适用于周期、非周期、单线和双线列车运行图，能在较短的时间内解决运行线的冲突问题。

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"It is a double track approach,of course, to have a very clear position on sanctions, not only on Security Council, but specific new measures from the European Union on the financial side - on the oil and gas sector, in all elements that can give to Iran a very clear message that they have to move and respond to the requirements of the international community."

VOA: standard.2010.07.28

They would be higher people, although he himself their grandfather was a nobody, just a switchman on a section of double track in a forest.

NEWYORKER: Among Animals and Plants

There are said to be more than 156 kilometers of double track checker plate steel creating drivable roads in the sand and more than 4, 000 hollow steel floating pontoons supporting 18 temporary bridges spanning the Ganga and Yamuna.

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Double-track rail would have a low value, and single-track sections a high value.

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