... alternating motion 交替运动,往复运动... alternating force 交变力 alternating current 交流电 ...
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alternating electromotive force 交变电动势 ; [电] 交流电动势
symmetrical alternating electromotive force 对称交羚动势 ; 对称交流电动势
alternating current electromotive force 交流电动势 ; 交羚动势
The structural and magnetic properties of the granular film are studied by atomic force microscope, energy dispersion X-ray spectrum, X-ray diffraction, and alternating gradient magnetometer.
利用原子力显微镜、能量散射X射线谱、X射线衍射和交变梯度磁强计研究了该颗粒膜材料的结构和磁学性质。
The control effect of electromagnetic force on cylinder wake, lift force and drag force , which was caused by alternating current, is related to its frequency.
而交流电所产生的电磁力对于绕流涡街、升力、阻力的控制作用，则与所使用的频率有关。
Alternating stress produced by alternating dynamic ice force evidently results in the partial fatigue failure.
交变冰力引起的结构交变应力必将导致结构的局部疲劳损伤。
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