Compared with normal hammers, it has a lot of advantages, such as lower noise, no exhaust gas, less vibration, high piling energy and better dynamics characteristics.
与传统打桩锤相比较具有噪声小、无污染、振动小、打击能量高等优点，符合环保要求，并具有良好的动力学特性。
Among other available heat engines, the stifling engine embodies some interesting features: high efficiency, low noise and vibration as well as the ability to use the sources of high energy density.
在其他各种热动力中，热气机具有许多特点：高效率，低噪音和振动，以及可利用高能量密度的各种热源等。
The system is considered as classical based on the fact that the highly excited vibration is of high energy and approaches the classical realm.
由于分子的高激发振动态具有很强的模间非线性偶合以及能量的传递，传统的动力学方法似乎很难有效地用来研究其性质。
Features: Convenient operation, saving energy, no vibration, high output, and easy maintenance.
特点：操作简便，节能省耗，无振动，产量高，易维修。
The target of the utility model is to provide a refrigerator and water heater integrative machine with low noise, small vibration, high cost performance and energy saving property.
其目的是提供一种噪声低，振动小，性价比高，可节约能源的冰箱热水器一 体机。
The computing results prove that the viscous damper is a high-performance structural vibration energy dissipation device.
计算表明，流体阻尼器可有效地降低结构的振动反应，是一种性能良好的。
The statistic energy method for solving high-frequency structural acoustic-vibration problem of high speed aero-craft is studied in this paper.
笔者研究求解了航天飞行器仪器舱高频结构声振问题的统计能量方法，给出了用统计能量法计算的一般步骤；
The motor has such advantages as high energy efficiency, low noise, low vibration, low temperature rising and stable speed, easily control etc.
该电机具有能力指标好、噪音低、振动小、温升低、转速平稳度高、控制方便等诸多优点。
High utilization rate of the exciting force of vibration motor, low energy consumption, low noise, long service life.
振动电机的激振力利用率高、能耗小、噪音低、寿命长。
Because it does not need external energy, has simple structure, easy to realize, economy and has high reliability, passive vibration isolation has been widely used in various fields in engineering.
由于它不需外界能源，结构简单，易于实现，经济性与可靠性高，已广泛地应用在多种工程领域中。
Because it does not need external energy, has simple structure, easy to realize, economy and has high reliability, passive vibration isolation has been widely used in various fields in engineering.
由于它不需外界能源，结构简单，易于实现，经济性与可靠性高，已广泛地应用在多种工程领域中。
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