轮pulleyblock滑轮组quantityofheat热量quantization量子化quantum量子quantummechanics量子力学quantumnumber量子数radar雷达radioactivesource放射源radiusofgyration回旋半径randommotion无规则运动range量程ratedvoltage额定电压reactingforce反作用力realimage实像realobject实物reasoning推理recoil反冲rectilinearmotion直线运动referenceframe参考系,eleration相对加速度relativeerror相对误差relativemotion相对运动relativevelocity相对速度relativity相对论resistance电阻resistancebox电阻箱resistivity电阻率resistor电阻[器]resolutionofforce力的分解resolutionofvelocity速度的分解resonance共振,共鸣resonantfrequency共振频率resultantforce合力resultantvelocity合速度reversibilityofopticalpath光路可逆性reversibleprocess可逆过程rheostat变阻器right-icfield旋转磁场rotation自转,转动Rutherfordscattering卢瑟福散射Rutherford[α-particlescattering]experiment卢瑟福[α散射]实验Spole南极saturation饱和scalar标量scalarfield标量场scanner扫描器secondcosmicvelocity第二宇宙速度selectiveabsorption选择吸收
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