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大学物理下册常用英文单词大学物理下册常用英文单词及短语MechanicalOscillation（vibration）机械振动ElectromagneticOscillation电磁振荡SimpleHarmonicMotion(SHM)simpleharmonicoscillator简谐振动Superposition合成、叠加Spring弹簧Period周期frequencyAngularfrequency频率、角频率Phaseinitialphase相位、初相rotatingvector旋转矢量verticaldirections垂直方向MechanicalWave机械波PlaneHarmonicWaves平面简谐波Propagation传播Huygen’sPrinciple惠更斯原理InterferenceofWaves波的干涉StandingWaveStationaryWaves()驻波travelingwaveDopplerEffect多普勒效应Medium介质Transversewaves横波Longitudinalwaves纵波:WaveFront：(波前)Wavelength波长Crest波峰trough波谷Wavespeed波速Randomly随机Position位置Displacement位移waveequation波动方程oscillatingcurve振动曲线kinetic,potentialandtotalenergy动能、势能和总能量energyflowdensity能流密度sphericalwaves球面波PrincipleofIndependentPropagation波的独立传播原理PrincipleofSuperpositionofWaves波的叠加原理Coherentwave相干波phasedifference相位差wavepathdif