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- variable mass body 变质量体
- The steam/nitrogen vulcanization of tire was theoretically analyzed by variable mass thermodynamics system. 应用变质量系统热力学理论分析轮胎蒸汽/氮气硫化过程。
- The secular influence of solar mass-loss on the orbital elements of meteor steams is examined by using the method of celestial mechanics of variable mass in this paper. 将作者在变质量天体力学所得理论结果应用于太阳质量损失对流星群轨道根数变化的长期效应上。
- This paper presents a generalized Bertrand's theorem for mechanical variable mass systems with linear second order non-holonomio constraints, deter mining the applied forces to the systems above when one of its first integrals is given. 本文给出了变质量二阶线性非完整力学系统的广义Bertrand定理：已知上述系统的一个第一积分可确定作用在该系统上的力。
- The research on variable mass flowing law in horizontal wellbore is the basis of the productivity prediction, horizontal length selection and completion design optimization of horizontal well. 水平井筒变质量流动规律的研究是水平井产能预测、水平井水平段长度优选以及水平井完井设计优化等的基础。
- Study on variable mass motion of a soft rope 变质量柔绳问题研究
- mechanical system of variable mass 变质量力学系统
- A cloud is a mass of vapor in the sky. 云是天空中的水汽团。
- A strike is a mass refusal to work by a body of employee. 罢工就是大量雇员集体拒绝工作。
- A large mass of people moving or acting as a body. 一大群作为一个整体运动或行动的一大群人
- The force moving a body is proportional to the mass of the body. 移动物体的力与该物体的质量成正比。
- A constant, variable, function name, or expression. 一种常数、变量、函数名或表达式。
- The mass rally was a total fiasco. 那次群众集会彻底失败。
- The prices are variable, shop around by all means. 价格高低不一，所以一定要货比三家逐店选购。
- Let's collect the sap before its consolidation into a hard mass. 让我们在树液坚固成团之前将之收集起来。
- The temperature was a variable in the experiment. 在该实验中温度是个变量。
- After harvest we will have a mass of rice. 秋收后，我们将获得大量稻谷。
- A finite increment in a variable. 变量增量变量的有限增量
- She says she doesn't like children in the mass. 她说从总体上讲她不喜欢孩子。
- The speed of the toy boat is variable. 玩具船的速度是可变的。
