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- Dynamics theory and the “mass spring dashpot” system model were used to develop an equilibrium equation.The mass matrix, elasticity matrix and damping matrix were given. 从机械系统动力学理论出发，参照振动系统的“质量-弹簧-阻尼”模型，分析推导了系统动力学平衡方程，得到了质量矩阵、弹性矩阵及阻尼矩阵的具体表达式。
- A MASS SPRING DAMPER MODEL OF PARACHUTE DEPLOYMENT 降落伞拉直过程的质量阻尼弹簧模型
- A cloud is a mass of vapor in the sky. 云是天空中的水汽团。
- This strain of wheat can grow during a cold spring. 这种小麦可以在寒冷的春天生长。
- Keywords shock blasting;isolation design;VDV criterion of isolation;double mass spring system; 震动爆破;隔震设计;VDV隔振标准;双层隔震系统;
- The mass rally was a total fiasco. 那次群众集会彻底失败。
- 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。
- We look forward to the return of spring. 我们期待着春天的到来。
- An ill marriage is a spring of ill fortune. 不良的婚姻是恶运的来源。
- After harvest we will have a mass of rice. 秋收后，我们将获得大量稻谷。
- She says she doesn't like children in the mass. 她说从总体上讲她不喜欢孩子。
- I am interested in the ten-week trip next spring. 我对明年春天为期10周的旅行感兴趣。
- Spring in East China usually sets in about March. 华东的春天一般约在三月开始。
- The days are drawing out now that it's spring. 春天到来，白昼越来越长了。
- Arrive in summer exactly after spring. 春季以后就是夏季来临。
- It feels like spring festival already! 感觉好像春节已经到了似的！
- Soon the car will go into mass production. 这种小汽车不久即可投入批量生产。
- We plant trees and flowers in spring. 我们在春天种花种树。
- I found a mass of spawn in the fish before cooking. 烧鱼前，我发现鱼里有很多鱼籽。
- The mass of workers do not want this strike. 大多数工人不愿举行这次罢工。
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries
