The effect of initial track tension to soft soil trafficability of tracked vehicle is studied.

研究履带预张力对车辆软土通过性能的影响规律。

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The company signed up over 25, 000 users in Orlando, whose airport piloted the initial fast track program.

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Ms Urquhart added income figures from the first year would be released at the end of April but were "on track" with initial predictions.

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The company said it is on track to meet its initial guidance of 1.2 to 1.3 million ounces of gold production in 2012.

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