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1996年第1～4期(总第21～23期)自然科学。一产空间力系平衡方程的转换条件…………………………………………………………李时俊(第l、2期第l页)用坡印亭矢量统一推导交流和直流电机的电磁转矩公式……………………………闺次凡万万(1、2·4)显色理论与染料的颜色综述…………
1996 to the first four (total twenty-first to twenty-third period) natural sciences. A production space force balance equation conversion conditions ................................................................................ Li Shijun (l, 2 l page) with Poynting vector uniform derived Electromagnetic torque formula for AC and DC motors ...................................................................................................................................................................................................