Methods:Field experiment on the passenger train.

方法：旅客列车现场实验；

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The passenger train service between Dhaka and Kolkata has been named the "Moitree" or Friendship Express.

达卡与加尔各答间的载客火车被命名为“Moitree”，意思是“友谊快车”。

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Officials say the freight train was on the wrong track when it collided with the passenger train during heavy rain.

官员说，这辆货运列车在大雨中与客车相撞时位于错误的轨道上。

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"Before,between Washington and NY the passenger train only had about 20 percent of the market.

VOA: standard.2010.02.15

"It would be a setback if we were to lose the passenger train, " said Matt Allen, the city manager.

CNN: A Kansas town tries to keep the train coming through

Kyodo said the passenger train was moving slowly because of the heavy snow on the tracks, and the derailment caused no injuries.

NPR: Snow Kills 8 In Japan, Including Family In Car

The launch on July 1st of the first passenger train services to Lhasa, the Tibetan capital, has been covered by the Chinese media with hoopla only comparable to that surrounding the country's first launch of a man into space three years ago.

ECONOMIST: Tibet is linked to the rest of China