phase speed 相速 ; 相速度 ; 相位速度
single-phase speed regulating motor 单相调速电机
three-phase speed change induction motor 三相变速感应电动机
phase speed change induction motor 三相变速感应电动机
moving-phase speed control 移相调速
phase speed of internal wave 密度
single-phase two-speed motor 单相双速电动机 ; 单相双速电念头
N the speed at which the phase of a wave is propagated, the product of the frequency times the wavelength. This is the quantity that is determined by methods using interference. In a dispersive medium it differs from the group speed 相速度 (Also called wave speed, wave velocity) [physics]
MySQL can speed the query phase using its query cache.
MySQL可以使用其查询缓存为查询阶段提速。
Then, the influences of some parameters on phase speed and attenuation are analyzed.
给出了圆柱管的一些参数对相速度和衰减的影响。
The air-sea interaction has certain effect on slowing down the phase speed of the wave.
海-气相互作用在减慢激发波的移速方面也有一定作用。
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