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- A integrated equation set for solving plane-parallel motion of rigid body was derived, and the conditions of system of forces simplified on the center of mass plane was discussed. 给出了解决刚体平面平行运动问题的一组完整方程,讨论了力系简化在质心平面内的条件。
- In case of divergence the effect of a self-equilibrated system of forces may be non-zero at even infinite distant sections, so Saint-Venant's principle is not a common principle. 发散的算子连分式对应着平衡力系的明显非零的影响可以传达到无穷远的场合,所以“圣文南原理”并不是普遍成立的原理。
- The branch of mechanics that is concerned with the effects of forces on the motion of a body or system of bodies, especially of forces that do not originate within the system itself. 动力学机械学的分支,有关各种力量在运动体或运动体系统上的作用,尤指非系统本身产生的力
- On these islands a system of barter is used. 在这些岛上仍然实行着物物交换的制度。
- The two systems of government are polar opposites. 这两种政体正好相反。
- A practitioner of a system of logic. 逻辑学家使用某一逻辑体系的人
- Advocacy of such a system of government. 联邦主义这种政府体制的主张
- External components for the oil pump pressure lubrication oil lubrication system of forced circulation type. 外部零件润滑为油泵压力供油强制循环式润滑系统。
- I prefer this system of teaching English. 我喜欢这一种英语教授方法。
- A system of roads radiates from the town center. 一个道路网从镇中心向四面八方伸展出去。
- A system of optical components that magnifies. 能起放大作用的一组光学元件
- A system of pipes, such as those used in plumbing. 管道,管线,管道网一管道系统,如那些用来铺设铅管的
- The bone structure or system of an animal. 骨结构动物的骨构造或系统
- A coplanar system of force couples is equivalent to a single couple lying in the same plane, the moment of which equals the algebraic sum of the moments of the component couples. 平面力偶系合成结果还是一个力偶,其力偶矩为各力偶矩的代数和。
- The optical system of the eye stimulate cell of the retina. 眼睛的视觉系统刺激视网膜内的细胞。
- A cable or system of cables for a cable car. 缆索缆车的一根缆绳或索道系统
- A law court or system of law courts; a judiciary. 司法,司法系统法庭或法庭制度; 司法系统,司法部
- The monetary system of some countries used to be based on gold. 过去有些国家的货币制度是金本位制的。
- A unit of force in the foot-pound-second system of measurement,equal to the force required to accelerate a standard one-pound mass one foot per second per second(approximately0.138 newton). 磅达英尺-磅-秒制中力的单位,相当于使1磅的自由质量得到一英尺每秒加速度的力(大约等于0.;138牛顿每秒)。
- Britain changed to a metric system of currency in 1970. 1970年,英国已改用公制货币。