开: open; turn on; switch on; be ...普: general; universal行星: planet运动: arrange things or get things ...第二: second定律: law开普勒行星运动定律: kepler's law of planetary motion; kepler's laws of planetary motion运动第二定律: second law of motion牛顿运动第二定律: newton's second law of motion; newton′s second law of motion开普勒第二定律: kepler's laws of planetary motion; kepler's second law克卜勒行星运动定律: kepler's laws of planetary motion行星运动三定律。: kepler's laws第二定律: secondary law开普勒定律: keple's law; kepler laws; kepler's laws of planetary motion; kepler′s law太阳-行星运动: sun-and-planet motion行星运动: epicyclic motion; planetary motion; sun and planet motion第二定律效率: second law efficiency菲克第二定律: fick’s second law库仑第二定律: coulombs second law牛顿第二定律: newton second law开普勒运动: keplerian motion运动第三定律: third law of motion运动第一定律: first law of motion行星运动增量: acceleration of planetary notion动力学第二定律: second law of dynamics
