真机的部分稳定性试验表明，机组存在较宽的水力振动区；
The stability test on real turbine showed that the generating unit has a wide hydraulic vibration area.
但由于机组转动惯量小，稳定性差，相应水轮机水力振动对其影响也较大。
But because of small rotating inertia of units and lack of stability, thus hydraulic vibration induces huge effect.
应用水力振动固井技术，寻找提高三次加密调整井固井质量的途径和方法。
Using the shaking cementing technology, it looks for the approach of enhancing tertiary infilling adjustment Wells 'cementing quality.
针对油层近井底地带堵塞、严重影响油井产量的问题，研发了水力振动法处理油层技术。
The hydraulic vibration oil layer treatment method is researched, because the bridging near hole bot-orn in the oil layers seriously affects the oil production.
最后，对我国水力机组振动特性的研究提出了一些建议。
Finally, some advice as to the vibration investigation for hydraulic-turbines set in our country was put forward.
水力机组振动是影响水力机组稳定性的主要因素。
The vibration of water turbine is an important factor in stability.
振动是影响水力机组正常运行和危害机组寿命的主要故障。
Vibration is the main fault which affects the regular run and endangers the life-span of hydropower unit.
水中掺入空气不但会影响管道的水力特性，同时是造成管道振动、噪音，甚至异常破坏的主要原因。
Mingling of air into water would not only affect the hydro-dynamical characteristics of pipe flow, but also cause vibration noise, and even abnormal damages in pipes.
同时优秀的水力模型几乎没有轴向力和径向力，因而运行平稳、噪音低、振动小。
Besides, there is almost no axial and radial force in the advanced hydraulic model, so it can move smoothly, causing very low noise and little vibration.
振动荷载及动水力对下层土体密实度影响较静力荷载明显。
Vibrating load and dynamic waterpower compacts soil obviously than static load.
振动信号的预处理，对于水力发电机组振动故障诊断系统而言是至关重要的。
Vibration signal pretreatment is much important to the vibrant fault diagnosiss ystem of waterpower set.
水力机组振动复杂，信号呈现出非线性、非平稳性。因此，振动信号的预处理在水力机组振动监测中非常重要。
It is very important for the signal pretreatment of hydraulic power vibration monitor because the situation of vibration is complicated, and the signal appears non-linear and non-stable character.
从泵的水力、机械结构设计，到泵的安装、运行、维护等方面，提出了减轻泵振动的措施。
Some measures to reduce the vibration were proposed concerning design installation, run and maintenance.
从泵的水力、机械结构设计，到泵的安装、运行、维护等方面，提出了减轻泵振动的措施。
Some measures to reduce the vibration were proposed concerning design installation, run and maintenance.
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