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- It is proved that the multi-reflection of F-P cavity has little influence on the measurement of vibration with a frequency generally not higher than some dozen kilohertz. 发现透射响应比反射响应有微小延时,证明了F-P腔的多次反射原理对于一般频率不超过几十千赫兹的振动信号的测量没有影响。
- Hand-held portable power tools. Measurement of vibrations at the handle. Part 1: general. 便携式手持动力工具。手柄部位振动量的测量。第1部分:总则。
- The difference of vibration frequency and type of having coping and no coping is compared, and the preventing measures of big stress place are put forward. 比较了有、无顶盖车体的振动频率及各振型间的差别，以及对结构应力较大处产生的原因提出了详细的预防改进措施。
- Scientific measurement of the head. 头测量学，头测量学，测颅学头颅的科学测量
- Hand-held portable power tools. Measurement of vibrations at the handle. Part 13 : die grinders. 便携式手提动力工具.;第321部分:手柄振动测量
- Measurement of the depth of large bodies of water. 海洋测深学，海洋测深术测量大水域的深度
- The scientific measurement of time. 计时学时间的科学测量
- Of, characterized by, or consisting of vibration. 振动的振动的，以振动为特征的，由振动组成的
- Hand-held portable power tools - Measurement of vibrations at the handle - Part 2: chipping hammers and riveting hammers. 便携式手提动力工具。手柄振动的测量。第2部分:凿锤和铆钉锤。
- Manufacturers of vibration test equipment. 生产振荡测试设备。
- Hand-held portable power tools. Measurement of vibrations at the handle. Part 7: wrenches, screwdrivers and nut runners with impact, impulse or ratchet action. 便携式手提动力工具.;手柄振动测量
- The factors which affect the SPL: the square measure of diaphragm, the amplitude of vibration, magnetic field intensity, power, impedance, resonant chamber, the pattern and the thickness of diaphragm, and the holes. 音量会影响声音大小的因素:膜片面积;振幅;磁场强度;功率;阻抗;音腔大小;膜片花纹/厚度;开孔.
- The overall measurement of this room is 80 square meters. 这个屋子的总面积是80平方米。
- When did the first measurement of the speed of sound take? 第一次测量声速是在什么时候？
- He was now in the measures of Lewis XIV. 他此刻正与路易十四共商大计。
- R Philp,D J Booth,A Shelamoff and M J Linthwaite,A Simple Fibre Optic Sensor for Measurement of Vibrational Frequencies[J],Meas.Sci.Technol.3(1992)603-606. 萨勃洛斯基等著;吴士祥;郑叔琛译;涡轮机叶片振动的非接触测量[M];北京:国防工业出版社;1986.
- Philp W R,Booth D J,Shelamoff A and Linthwaite M J,A Simple Fibre Optic Sensor for Measurement of Vibrational Frequencies[J],Meas.Sci.Technol.3 (1992) 603-606. 李志华;段发阶;方志强;一种新型高速旋转叶片振动测量传感器的研究[J];传感技术学报;2005;3;18(1).
- The nitrate ion has four fundamental modes of vibration. 硝酸离子有四个基频形式。
- His resignation is a measure of how angry he is. 从他辞职一事可见其气愤的程度。
- The development of vibration plates has been highly eventful. 振动式平板夯的发展已得到了高度的重视。
