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- law of elliptic orbits 椭圆轨道定律
- By using elementary mathematics, a derivation of elliptic orbit and energy of electron in Hydrogen atom is given. 利用椭圆的几何性质确定类氢原子的轨道，并计算其能级.
- The atom consists of a nucleus in the centre, formed of protons and neutrons, and electrons moving around the nucleus in circular of elliptical orbits. 原子由一个位于中心的核子和一些电子组成.;原子核又由质子和中子构成;电子则以圆形或椭圆形轨道绕原子核运行
- We are subject to the law of the land. 我们须遵守当地的法律。
- Who discovered the Law of Gravitation? 谁发现了引力定律？
- Aconcise discussion of elliptic orbit and energy level in hydrogen atom 氢原子椭圆轨道和能级的简明讨论
- Newton's law of motion apply to all things on the earth. 牛顿时的运动定律适用于地球上一切东西。
- Enactment into law of a legislative measure. (议案)通过把立法议案制定为法律
- The law of supply and demand governs the prices of goods. 供求规律决定商品的价格。
- A citizen is expected to conform to the law of his country. 一个好公民应当遵从他国家的法律。
- Pluto has an elliptic orbit. 冥王星的轨道是椭圆形的。
- Newtow conclusively established the law of gravity. 牛顿确定了万有引力定律。
- You must master the law of conservation of energy. 你必须掌握能量守衡定律。
- We must respect the laws of a country we are in. 我们必须遵守所在国家的法律。
- He is interested in the laws of nature. 他对自然界法则很有兴趣。
- They never vary from the law of nature. 他们从不违反自然规律。
- By using elementary mathematics, the condition of quantum of the elliptic orbit of electron in hydrogen atom is given. 利用椭圆的几何性质，确定氢原子椭圆轨道的量子化条件。
- Do you know the laws of the game? 你知道这项比赛的规则吗?
- It is an inevitable law of nature. 这是不可避免的自然规律。
- Chaotic planar libration and its control of a magnetic rigid spacecraft with internal damping in an elliptic orbit near the equatorial plane of the earth are investigated. 研究在地球万有引力场和磁场中具有结构内阻尼的磁性刚体航天器在近赤道椭圆轨道上平面天平动的混沌行为及其控制.
