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交变力
交替力
1、alternating current───n.交流电；[电]交流电
2、alternating currents───n.交流电( alternating current的名词复数 )
3、alternating group───交代群；交错群
4、alternating definition───交替定义
5、alternating series───交错级数，交错序列；交错序列；交错级数定理
6、alternating possession───交替占有
7、alternating case───交替情况
8、force───n.力量；武力；军队；魄力；n.(Force)人名；(意)福尔切；(英、法)福斯；vt.促使，推动；强迫；强加
9、alternating───adj.交替的；交互的；v.使交替；依次（alternate的ing形式）
1、control effect of electromagnetic force on cylinder wake, lift force and drag force , which was caused by alternating current, is related to its frequency.───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。
2、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。
3、the end of the suspended vibrating mass is connected to one end of the test sample that generates an alternating force;───其悬置振动块的端部与产生交变应力的试样的一端连接；
4、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。