... cordon count 周界交通量调查;内圈交通量调查 mechanical power 机械动力 pedestrian occupancy space 行人占有空间 ...
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机械动力学 [机] dynamics of machinery ; machine dynamics ; [机] Mechanical Dynamics ; [机] mechanical kinetics
机械动力设计 dynamic design of machinery
机械动力工程 Mechanical Power Engineering
机械动力涡轮增压机 Centrifugal Superchargers
机械动力学与振动 machine dynamics and vibration
机械动力参数 machinery dynamical parameters
机械动力源 motor
机械动力学基础 Fundamentals of machine Dynamics ; mechanical dynamics based
可控机械动力 Controllable mechanical power
水是机械动力的主要来源，而到了17世纪末，人们认为仅英格兰就有2万个左右的工作磨坊。
Water was the main source of mechanical power, and by the end of the seventeenth century, England alone is thought to have had some 20,000 working mills.
不过，一些仍然没有足够的效率，把化学能转化机械动力。
However, some are still not efficient enough to turn chemical energy into mechanical power.
农业排灌机械动力和粮食收购价格指数与粮食生产呈负相关。
Farm irrigation and drainage mechanical power and grain purchasing price index have negative correlation to grain production.
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