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- The main factors influencing power saving of the beam pumping unit with high slip motor are pumping speed of the unit, slip ratio of the motor and rotary inertia of rotating parts. 指出影响使用高转差率电动机的游梁式抽油机节能的主要因素是抽油机的冲次、电动机转差率和旋转件的转动惯量。
- Speed of rotation is proportional to the frequency of the A.C. power. 旋转速度与A.;C能量频率成比例。
- The speed of this aircraft is very high. 这架飞机的速度非常快。
- The hurricane has a speed of 73 miles per hour. 飓风每小时73英里。
- The speed of a runaway horse count for nothing. 脱缰之马的速度毫无价值。
- The speed of light is an important constant. 光速是一个重要的常数。
- The speed of the toy boat is variable. 玩具船的速度是可变的。
- The act of rotating or revolving rapidly. 高速旋转的动作
- The symbol for the speed of light in a vacuum. 表示真空中光速的物理符号
- Construct a pair of rotating orthogonal cardioids. 作一对相互正交的旋转心脏线。
- Linkages scissored from the twirling pendulums slide up a sleeve on the pole, levering a valve which controls the speed of rotation by adjusting the steam. 与旋转的摆成剪状交叉的联动装置把柱子上的滑动套筒顶起,扳动一个阀门,一个通过对蒸汽进行调整从而控制旋转速度的阀门。
- The act of rotating as if on an axis. 一样的旋转。
- Excessive speed of rotation of the impeller is liable to cause the pressure on the suction side to fall so low that the liquid will vaporize, thus causing damage to the impeller. 随后这种动能便转换成静压能,于是又加大了泵的吸入管与排出管间本来就很大的压差。
- Rapidity or speed of motion; swiftness. 迅速,快速运动的快速或速度; 迅速
- When did the first measurement of the speed of sound take? 第一次测量声速是在什么时候?
- Raindrop fall at a speed of about500 to1,000 feet a minute. 雨点以每分钟大约五百到一千英尺的速度下降。
- It is emphasized on the study of radio-communication system of RS-232 COM port in PC machine and the study of radio-control system of rotate speed of rotary stimulator, which are the works of author. 文章基于当前微电子技术和计算机技术的最新发展,提出了该设备仪器研制的总体方案,重点阐述了作者所要承担的PC机RS-232串口无线通信系统以及旋转刺激台转速无线控制系统的研制。
- Be involved in pre-commissioning test of rotating equipment. 参加转动设备的预调试测试.
- The coefficient is expressed as a percentage and is dependent on rotation uniformity, speed of rotation (for rotary type sprinklers), geometric layout pattern, nozzle pressure, and spacing distance. 此系数是一个百分数,它取决于转动的均匀性、转动速率(对旋转型喷灌器而言)、立体结构、喷嘴压强和间距。
- At the end of the thesis, a brief introduction of the electrical control system of HVD and a method of using PID control to carry out speed of rotation of closed loop control are brought forward. 对于HVD的电气控制系统进行了简要介绍,提出了运用PID控制进行转速闭环控制的方法。