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.
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。
This has the advantage of eliminating two wasteful steps: the conversion of the mechanical power of a windmill into electricity and its subsequent reconversion into mechanical power in a compressor.
这可消除两处能耗，即在风力的机械能转化为电能时，以及随后压缩机中的电能转化为机械能时。
Fluid mechanics is a major course in the specialties of civil engineering, mechanical power and water conservancy.
流体力学是土木类、机械动力类及水利类专业的专业基础必修课。
The mechanical power may come from various sources: turbines powered by water, wind, steam, or gas; gasoline engines; or diesel engines.
机械动力的来源可能各有不同：由水、风、蒸汽或气体发动的涡轮机；汽油引擎；或柴油引擎。
A compact and reliable mechanism, which can enlarge mechanical power through micro dis placement.
一种结构紧凑、动作可靠、利用微量位移实现机械力放大的机构。
The result of the invention of the steam engine was that human power was replaced by mechanical power.
蒸汽机发明的结果是机械力代替了人力。
The result of the invention of the stream engine was that human power was replaced by mechanical power.
蒸汽机发明的结果是，机械力代替了人力。
Based on the analysis of the flow field, the torque and mechanical power of the motor are studied experimentally.
在流场分析基础上，对马达输出的扭矩和机械功率进行了实验研究。
Farm irrigation and drainage mechanical power and grain purchasing price index have negative correlation to grain production.
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。
Although gasoline engines have improved a lot, they are still not very efficient at turning chemical energy into mechanical power.
虽然汽油发动机改进了许多，但是，在化学能量转变为机械能量过程中，发动机的效率仍然不高。
The utility model relates to a power and oil consumption meter for a tractor, which belongs to the mechanical power measurement field.
本实用新型是一种拖拉机功率油耗仪，它属于测量机械功率领域。
The article proposes: body movement must give not only mechanical power, but also bear the fatigue caused from physiological mechanism.
研究提出：人体运动不仅要付出机械功，还要承受由生理机制产生的疲劳负荷。
The methods of the optimized output are summarized, which are divided into two types: mechanical power adjustment and electric power adjustment.
综述了风力发电系统中优化输出技术的方法，将输出技术定性地分为调节机械功率和调节电功率。
Yixing Dali Machinery co., LTD is a professional mechanical power production standards of the cold upsetting machine equipment manufacturing enterprises.
宜兴市达力机械设备有限公司是专业生产标准件冷镦机设备的生产企业。
Yixing Dali Machinery co., LTD is a professional mechanical power production standards of the cold upsetting machine equipment manufacturing enterprises.
宜兴市达力机械设备有限公司是专业生产标准件冷镦机设备的生产企业。
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