In this paper, a wheeled mobile robot system consisting of a tractor and N-1 trailers is studied.

本文研究由一个牵引车和N - 1个拖车所组成的移动机器人系统的动力学。

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The cash was carried by tractor-trailer trucks from the fortress-like Federal Reserve currency repository in East Rutherford, N. J. , to Andrews Air Force Base in Maryland, then flown to Baghdad. U.

这笔现金被卡车由位于新泽西东卢瑟福的类似要塞一样的联邦储备货币仓库运出，送到马里兰的安德鲁空军基地，然后非为巴格达。

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