查询词典 mechanical

Professor Lewin puts his life on the line in Lecture 11 by demonstrating his faith in the Conservation of Mechanical Energy.

Lewin教授在第十一讲中将他的生命系於一线之间用以证明他相信的机械能守恒定律。

In this paper it is explained that the law of conservation of mechanical energy must Obey the relativity principle of mechanics.

文章系统地阐明了机械能守恒定律无条件服从力学相对性原理，若总机械能在一个惯性系守恒，它就在所有惯性系守恒。

Conservation of Mechanical Energy?

这是我第一反应。

Key words: theorem of kinetic energy; conservation law of mechanical energy; reference frame

动能定理，机械能守恒定律应用

Week 4 Work and energy principle, conservation law of mechanical energy, moment of force, moment of inertia of rigid body, rotating law of rigid body with fixed axis.

第4周 功能原理、机械能守恒定律；力矩、刚体的转动惯量、刚体定轴转动定律。

With the modernization of scientific and technological progress and industrial development, physics, chemistry, biology, engineering, aerospace, medical, economic and financial areas of the many principles and laws can be described as an appropriate ordinary differential equations, such as Newton's laws of motion, gravity law, law of conservation of mechanical energy, energy conservation law, the law of population development, ecological population competition, disease transmission, genetic variation, the trend of the stock's up V, the floating interest rates, the market equilibrium price changes.

随着科技进步和工业现代化的发展，物理、化学、生物、工程、航空航天、医学、经济和金融领域中的许多原理和规律都可以描述成适当的常微分方程，如牛顿的运动定律、万有引力定律、机械能守恒定律，能量守恒定律、人口发展规律、生态种群竞争、疾病传染、遗传基因变异、股票的涨伏趋势、利率的浮动、市场均衡价格的变化等。

On the basis of analyzing the lilnitations of the conventional flow equation for rotameter , ac-cording to principle of mechanical energy conservation and transform for real fluid, a new generalflow equation Q=for rotameter has been developed.This equation includes the rota-form factor β to reflect the influence of rota-form on flowmeasurement.

在分析转子流量计习用流量方程局限性的基础上，根据实际流体机械能守恒与转换原理，定义了反映转子形状特征对流量测定影响的转子几何形状因子β；经过推导，最终获得了转子流量计一种新的普遍流量方程Q＝。

For demonstrating about free fall、horizontal cast、stant cast、the conservation law of mechanical energy、the rule of collision、the formula of Centripetal-Force、simple periodic vibration and the vibration graph.etc.

能完成自由落体、平抛、斜抛、机械能守恒、弹性碰撞、完全非弹性碰撞、向心力、简谐振动、振动图象等高中力学实验。

First, by the composition theorem of acceleration of influence move, strict mechanical analysis and accurate mathematical computations, we have acquired the presentation formula of acceleration of the movable mass of the gyroscope rotating in a constant angular velocity in an inertia coordinate system.

利用牵连运动的加速度合成定理，通过严格的力学分析和严密的数学演算首先得到其活动质量当陀螺仪在惯性坐标系中作定常角速度转动时的加速度表达式。

If the skin damage is the result of mechanical trauma or constant friction, the term abrasion may be used.

机械性外伤或持续摩擦引起的皮肤损害，可以用擦伤这一术语。

I can not make it blossom and suits me

我不能让树为我开花

When temperatures are above approximately 80 °C discolouration of the raceways or rolling elements is a frequent feature.

当温度高于 80 °C 左右时，滚道或滚动元件褪色是很常见的特征。