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- variable mass mechanics 变质量力学
- Unloading rock mass mechanics II. 卸荷岩体力学2。
- THE RELATIVISTIC GENERALIZED LAGRANGE PRINCIPLES OF VARIABLE MASS MECHANICAL SYSTEM 变质量力学系统的相对论性广义Lagrange原理
- 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。
- 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。
- On the basis of rock mass mechanics model of cracking plate structure, it derived the calculation equation for the equivalent exposed area of mine stope. 它以板裂结构的岩体力学模型为基础,推导出了采场当量暴露面积的计算公式。
- The test data on rocks can be used for calculation of slope stability only after engineering treament and conversion into rock mass mechanics parameters. 边坡稳定性计算中,需要对岩块试验数据进行工程处理,将其换算成岩体的力学参数之后才能用于工程计算。
- 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。
- Based on the test of rock mass mechanics, the rock mass of Shirengou Iron Mine was classified by RMR method, and then, the parameters of rock mass mechanics were estimated by Hoek-Brown. 通过对唐钢石人沟铁矿地质条件的研究,以及在岩块力学试验的基础上,对唐钢石人沟铁矿岩体按RMR法进行分类,然后用霍克-布朗公式对岩体力学参数进行了估算。
- Study on variable mass motion of a soft rope 变质量柔绳问题研究
- A cloud is a mass of vapor in the sky. 云是天空中的水汽团。
- mechanical system of variable mass 变质量力学系统
- 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。
- The temperature was a variable in the experiment. 在该实验中温度是个变量。
- Because rock mass possesses heterogeneity, discontinuity and rheology property, there exists some problems on the choice of rock mass mechanical parameter of layer rock mass slope engineering. 由于岩体具有不均匀性、不连续性和随时间变化的特性，目前在层状岩体边坡工程的岩体力学参数选取方面仍然存在一些问题。
- 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。
- A finite increment in a variable. 变量增量变量的有限增量
