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- 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;
- Abstract: The vibration solution of a massive spring system is presented, the effective mass of a spring is derived. The approximate period of the vibration is given. 文摘:给出了弹簧质量不可忽略的弹簧振子系统的振动解，导出了弹簧的有效质量的渐近级数表达式，指出振动呈拟周期性.
- 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。
- Based on the pontoon equipment simplified as a spring system with mass point, inpulse responge functions are adopted to calculate the berthing force of a ship. 本文在将趸船靠船设施简化为一个带质点的弹簧系统的基础上,采用脉冲响应函数法来计算船舶靠泊趸船时的靠泊力。
- Testing for the parts of blade including bolt, steel wire, hydraulic system and spring system. 叶片零部件测试,包括螺栓、钢索、液压系统和弹簧系统等测试。
- Easy pull-down system locks and heavy-duty spring system at intervals to fit a variety of projection formats. 拉下系统锁及重型弹簧系统适合不同投影形式。
- The spring system can be tuned instantly to adapt to body weight, skill level and terrain. 新上市的高跷棍加入一个弹跳装置，似医生用的注射器。
- The 501 series mattress, using the latest open chain response spring system, is solid, durable, with stronger support. 601系列床垫，它拥有完善的独立撑托弹簧系统，能够顺应人体曲线，自然支撑每个部位。
- It is inferred from the thermometry of geyserite and adarce inclusions that underground temperatures for the hot spring system in Tengchong are . 云南腾冲是中外著名的地热区，区内火山岩浆地热活动强烈，水热显示形式多样，有温泉、热泉、沸泉、水热蚀变岩石、泉华（硅华、盐华、钙华和硫华）等。
- A spring system is introduced to realize gravity balance of an articulated robot in a motion range as large as possible. 对于关节式机器人结构，采用拉弹簧的方式对机器人重力进行较大范围的平衡；
- The Flybar(tm) 1200 can propel you over 6 feet in the air with a innovative, patented, fully-adjustable elastomeric spring system. 产品说明：可调节的橡胶弹簧，高强度的铝合金材质包括超宽的脚蹬有助于安全保护。
- A cloud is a mass of vapor in the sky. 云是天空中的水汽团。
- A MASS SPRING DAMPER MODEL OF PARACHUTE DEPLOYMENT 降落伞拉直过程的质量阻尼弹簧模型
- This strain of wheat can grow during a cold spring. 这种小麦可以在寒冷的春天生长。
- The slung-body suspension was not a true springing system, but it did enable the body and the wheels of the carriage to move independently. 悬挂式的悬挂系统不是一个真正的弹性避震系统，但是它能够使车体和车轮能够独立运动。
- 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。
- 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。
- We look forward to the return of spring. 我们期待着春天的到来。
