1.
Spacecraft Keplerian Orbits and Non-Keplerian Orbits:Definition,Classification and Control
航天器开普勒轨道和非开普勒轨道的定义、分类及控制
2.
(astronomy) one of three empirical laws of planetary motion stated by Johannes Kepler.
（天文）开普勒三个天体运动定律之一。
3.
In 1611, Kepler published his Dioptrice.
1611年，开普勒发表了他的著作《折光学》。
4.
The new Derivation for Third Law of Kepler
开普勒第三定律表达式的一种新的推导方法
5.
Review on Kepler s Philosophy of Science;
数学的“天上人间”——开普勒的科学哲学思想新探
6.
The Application & Extension of Gradual Approach in the Solution of Kepler s Equations;
利用逐次逼近方法求解开普勒方程及其推广
7.
Revelation from the foundation of the Kepler Laws-----A discussion on the Joseph Needham's Problem
开普勒三定律发现的启示——兼谈李约瑟难题
8.
Mathematical Problems in the Analysis and Control of Spatial Non-Keplerian Orbits
空间非开普勒轨道分析与控制中的数学问题
9.
Research on Non-Kepler Characteristic of Long-Distance Relative Motion Between Space Objects
空间目标远距离相对运动的非开普勒特性研究
10.
The rate of sweeping out of area is a constant-this is one of three Kepler laws.
单位时间扫过的面积为常量，这就是开普勒三定律之一。
11.
Kepler writes of what he felt when, after many years' work, he at last found the laws of the movements of the planets:
正如开普勒经过多年工作最终发现行星运行定律时所描述的：
12.
Kepler's second law means that a planet's orbital speed changes with its distance from the sun.
开普勒第二定律指行星的轨道速度与其和太阳的距离。
13.
In later life Kepler seemed rather apologetic about his ability as an astrologer
开普勒在后半生似乎将才能用于占星而颇为抱歉。
14.
Kepler's third law gave a more specific hint about the nature of the force.
开普勒第三定律给出了一个关于力的本质的更为具体的说明。
15.
Let us test Kepler's third law for the orbit of uranus compared with that of earth.
让我们比较天王星和地球的轨道，来检验一下开普勒第三定律。
16.
The third law was discovered by Kepler, who was a contemporary of Galileo.
第三个定律是开普勒发现的，他是伽利略的同代人。
17.
After some treatment of centripetal force, he deduces Kepler's third law.
在向心力的一些论述之后，他推出了开普勒的第三定律。
18.
The Kepler problem is solved by vector method and without the Binet equation.
直接利用矢量解法求解开普勒问题,不必借助于比奈方程.