Study on thread quality of low-frequency torsional vibration tapping on composite Al_2O_3p/Al;
Al_2O_3p/Al复合材料振动攻丝螺纹质量研究
There is bigger eccentricity of rotary piston pump s rotary quality,which can produce bigger vibration when it running if no finer quality balance.
滑阀泵的旋转质量有较大的偏心,如果没有很好的质量平衡,在运转时会产生较大的振动。
We also considered the effects of the nonparabolicity of the conduction band on the energy levels and the cyclotron mass.
同时，考虑了导带非抛物性对能级和回旋质量的影响，给出量子阱 Ｇａ Ａｓ／ Ａｌ０ 。
At the limits of low temperature, the composition (x) dependence of the landau levels and the cyclotron mass of the magnetopolaron are derived by perturbation method and the results are caculated numerically.
研究了三元混晶A_xB_(1-x)C中弱耦合磁性极化子问题,用微扰理论导出了极化子朗道(Landau)能级和回旋质量与外磁场B和混晶组分x的关系,并对结果进行了数值计算,与其它理论结果进行对比。
Helical spring mass system (HSMS) is widely used in almost all of mechanical and electrical products due to its structure feature and elastic buffer ability.
螺旋弹簧质量系统由于其结构特点及其缓冲作用在几乎所有机电设备和系统中都有广泛的应用。
Variable Structure Control for the Attitude of Moving Mass Rotating Missile
旋转质量矩弹头双环滑模变结构姿态控制
The rotational inertias of uniform rotational rigid surfaces about the around axis
均质旋转面绕旋转轴转动的转动惯量
Appearance quality for rotary shaft lip seals
GB/T15326-1994旋转轴唇形密封圈外观质量
Magnetic energy in contrast is rotational in nature and requires soul to spin.
反之，磁性能量是旋转性质的，需要有灵魂来转动。
Properties of black holes are indeed be defined by its mass, charge, and spin.
黑洞的性质真正在定义上包括质量、电荷及旋转。
rotarydisplacement meter
“旋转”排量式仪表
Effect of stimulated rotational Raman scattering on the beam quality of high-power ultraviolet laser beams
受激旋转喇曼散射对强紫外光光束质量的影响
rotary displacement pump
回转泵，旋转排量泵
vibration to rotation energy transfer
振动 旋转能量转移
Comparative analysis of quantitative sieving methods of quality evaluation indicators for rotating sprinklers
旋转式喷头质量评价指标定量筛选方法对比分析
The image rotation was realized by FFT.
提出了一种快速高质量的图像旋转方法,即使用快速傅里叶变换来实现图像的旋转.
pneumatic transmitting rotameter
气动传送旋转流量计
dashpot rotameter
带阻尼器的旋转流量计
rotary fixed displacement motor
旋转式固定排量发动机
tapered tube rotameter
锥形管柱式旋转流量计
rotary-sliding-vane flowmeter
旋转滑动叶片式流量计
metal tube rotameter
金属管式旋转流量计
any rotating body has an angular momentum about its center of mass; angular momentum makes the world go round.
角动量使地球在旋转。