| 1. | Changing the structure of pipelines to avoid resonant vibration with pressure pulsation is the main rule
改变管道固有频率避免其与压力脉动流产生共振是主要的指导方针。 |
| 2. | From the modal analysis , it can be said that the main reason of the noise pollution of water supply system is the resonant vibration which is caused by pressure pulsation
模态分析更进一步明确了压力脉动诱发管道共振是噪声污染问题的主要根源，为系统减振降噪提供依据。 |
| 3. | In that book , monroe details his discovery that the earth is surrounded by " bands " in which individuals congregate after physical death , for varying lengths of time , based on their individual resonant vibration and belief systems
在这本书中，门罗详细叙述了他的发现，地球被数个“带”所环绕，人在肉身死亡后聚集在这里，在此停留时间长短不一，这取决于他们个人的共振和信仰体系。 |
| 4. | An ultrasonic motor is a kind of motor with a completely new driving principle to obtain turning force . the motor converts a piezoelectrically excited resonant vibration of the stator into a rotational movement of the rotor by frictional forces
压电超声波电机是一种全新原理获得驱动力的电机，它利用压电陶瓷的压电效应使定子产生超声波振动，通过定子和转子间的摩擦力来驱动转子。 |
| 5. | For recently there are some different opinions about the mechanism of bridge resonant vibration excited by moving vehicles , further study is done in this paper to analyze the dynamic response of jinhuai bridge under multiple vehicles with different velocity , moving direction and distance between two adjacent vehicles
鉴于近期学术界对桥梁车激共振动机理存在不同认识，本文进一步研究在不同车速、不同车距和不同方向的多车荷载作用下津淮刚架拱桥的动力响应。 |
| 6. | The imperfection and fuzziness affecting the vibration reliability of structural components is analyzed , the concept of fuzzy safety state on vibration of structural components is developed , the fuzzy failure district of the resonant vibration of structural components and its membership function is constructed , the fuzzy failure district of the intensity is also constructed , the fuzzy model to assessment the vibration reliability of structural components is built and is applied to the vibration reliability assessment of the turbine blades and the compressor blades of the aero - engine
摘要分析影响构件振动可靠性的不确定性和模糊性因素，定义构件振动模糊安全状态，构建构件振动的模糊共振失效区域及相应的隶属函数、模糊强度失效区域及相应的隶属函数，建立构件振动可靠性计算的模糊模型，并将其应用于某航空发动机压气机、涡轮叶片的振动可靠性计算。 |
| 7. | An ultrasonic motor is a kind of driving machine which obtains dynamic in virtue of use friction to transfer elastic ultrasonic vibration . it is a kind of motor with a completely new driving principle to obtain turning force . the motor converts a piezoelectrically excited resonant vibration of the stator into a rotational movement of the rotor by frictional forces
超声波马达是一种借助摩擦传递弹性超声波振动以获得动力的驱动机构，是一种全新原理获得驱动力的新型马达，它利用压电陶瓷的压电效应使定子产生超声波振动，通过定子和转子间的摩擦力来驱动转子。 |
| 8. | Abstract : making use of test data and some instances presented in test , it could be apprvoed that partial resonant vibrations of acoustics system occurred in ultrasonic hoing . meanwhile , it was pointed out in this paper that flexible pole - oilstone holder could be considered as a single vibrations system when designing acoustics subsystem , as pioneers a new in designing acoustics system of ultrasonic honing
文摘:经试验证实了超声珩磨声学系统中存在着局部共振现象，指出“挠性杆-油石座”振动子系统设计时可作为一个单独的振动体系进行考虑，为超声珩磨声学系统设计开辟了一条新的思路。 |
