Half track air cushion vehicle is a new kind of hybrid vehicle. It can solve the transportation problem on soft ground effectively.

半履带式气垫车辆是一种新型混合式车辆，它可以有效地解决松软路面的运输问题。

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It includes one hour of classroom instruction, video demonstrations and chalk talk, a half-hour track and vehicle orientation, lunch, and four and a half hours of track exercises in front and all-wheel-drive vehicles.

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Within a few laps, he is circling the half-kilometer track in fewer than than 20 seconds, for an average speed of nearly 100 kilometers an hour.

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This entailed a complete lap of the 400 metre track and half of the tarmac perimeter before venturing into Castletown Road to Braddan.

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