... tachometer转速计,转速器 tamperproof 防止窜改,可防止乱摆弄 tangent 正切;切线,接触的, 切线的, 相切的, 离题的 ...
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自记转速器 recording tachometer
比色转速器 chronometric tachometer
擒纵遥测转速器 escapement teletachometer
转速器压力表 Tacho gauge
同步转速器具 synchronous speed DECICE
转速传感器 [自] revolution speed transducer ; speed sensor ; MTR ; position sensor
光电式转速传感器 [自] photoelectric tachometric transducer
转速记录器 tachograph ; rate-of-turn record ; gyrograph
转速继电器 TACHR Tachometric Relay ; [电] tachometric relay
这些高频率与离心机的转速相对应;美国对能够以600赫兹以上频率运行的频率转换器驱动的出口进行了严格管控。
These high frequencies correspond to the rotation speeds of centrifuges; America tightly controls the export of frequency converter drives able to operate at frequencies above 600 Hz.
因此,我们可以用星星的自转速度及速率作为衡量它们年龄的计时器。
And so we can use the spin rate, the rotation rate of a star, as a clock to measure its age.
立方直升机的这种配置让他可以像直升机一样盘旋,但在向前飞行时,主旋翼的转速可以将下来,让两侧的机翼提供升力,在此情况下,两台螺旋桨推进器就能发挥大作用了。
This means it can hover like a helicopter, but when flying forwards can reduce the speed of the main rotor and let the wings provide part of the lift. Its propellers give the extra oomph.
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