The indispensability and principle of the automatic classification humping yard system is introduced in this paper.

本文介绍了编组驼峰自动化系统的必要性和工作原理。

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Chapter five has mainly introduced detailed exploitation process of visual yard system and related content of driving visual yard.

本文第五章主要介绍了应用系统具体的开发过程。

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Those yard toys your kids leave out always make me wonder what type of gaming system they have.

你的孩子们遗漏在院子里的玩具，常常使我思考，孩子们的有着高级的还是低级的游戏呢。

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The Type 45 Destroyer Duncan was due to leave BAE System's Scotstoun yard on Friday for Portsmouth Naval Base.

BBC: HMS Duncan

The sixth, Duncan, left BAE System's Scotstoun yard on the Clyde on Monday for Portsmouth where it will undergo sea trials.

BBC: HMS Defender commissioning ceremony held in Portsmouth

In July, for example, while the Elkhart yard was rebuilding 26 miles of track, the system diverted 500 cars a day to other yards.

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