1.
An influnence of the spring mass and the vibrational object mass on the vibrational period;
弹簧和振动物体质量对弹簧振动周期的影响
2.
Angular Momentum Theorem of Variable Quality Objects around A Fixed Axis;
变质量物体绕定轴转动的角动量定理
3.
The force moving a body is proportional to the mass of the body.
移动一个物体的力与该物体的质量成正比。
4.
A measure of the motion of a body equal to the product of its mass and velocity.
动量，冲量一种衡量物体运动量度的单位，等于运动物体的质量和速度的乘积
5.
For a body of mass m travelling at a speed r, the kinetic energy is 1/2mv2, so a heavy body travelling rapidly has a high kinetic energy.
质量为m的物体以速度v运动，其动能是mv2/2 ，所以质量在的物体高速运动时具有高动能。
6.
Mass and speed are the two factors that determine the kinetic energy of a moving object .
质量和速度是决定运动物体动能的两个因素。
7.
Insulator: Substance that Blocks or retards the flow of electric current or heat.
绝缘体:能阻止或延缓电流或热量流动的物质。
8.
relating to the motion of material bodies and the forces associated therewith.
关于身体物质运动的，或随其而产生的力量的。
9.
Study on Sanitary Quality Control of Animal Products in the Domestic and Overseas;
国内外动物产品卫生质量管理及标准体系研究
10.
Research on the Effect of Sports on the Mineral Volume of the Seniors Bone;
体育运动对老年人骨矿物质含量影响的研究
11.
The strength of the attraction is larger for large masses, but decreases as the objects move farther apart.
物体质量越大引力越强，但是引力却在物体离心移动时减弱。
12.
The branch of mechanics that studies the motion of a body or a system of bodies without consideration given to its mass or the forces acting on it.
运动学力学的一个分支，研究一个物体或物体系统的运动，而不考虑加在物体上的质量或力
13.
Added Mass for Bodies Moving Arbitrarily in Fluid with Free Surface;
物体在带自由表面的流体中作任意运动的附加质量
14.
An equivalent mass source method for internal waves generated by a body moving in a stratified fluid of finite depth
有限深密度分层流体中运动物体生成内波的一种等效质量源方法
15.
The total kinetic energy of a Body or system is equal to the sum of the kinetic energies resulting from each type of motion. The kinetic energy of an object depends on its mass and velocity.
物体或物体系的总动能等于每种运动方式的动能之和,取决于质量和速度。
16.
A fluid substance is any substance which flows.
流动的物质为流体。
17.
Just as linear momentum is the product of mass and velocity, so the angular momentum of a body is defined as the product of its moment of inertia and its angular velocity.
正如线性动量是质量和速度乘积一样，物体角动量也定义为其惯性矩和角速度的乘积。
18.
A falling object gains momentum as it falls.
物体下落增进动量。