查询词典 celestial body

Celestial mechanics enables astronomers to calculate the position of the planets at any time in the past or future.

天体力学能使天文学家计算出行星在过去或将来任何时候的位置。

Man-made objects that emerged after the successful launch of a new branch of celestial mechanics.

人造天体发射成功以后出现的天体力学新的分支学科。

Application to celestial mechanics and mechanical vibrations.

天体力学和力学振动的应用。

Real celestial mechanics background of the sun,the earth and the moon is considered.

给出了太阳引力摄动下地月会合坐标系绝对角速度的简单但精确的表达式。

In order to calculate the orbit of the satellite, we established satellite movement model based on celestial mechanics and spaceflight dynamics.

在上述工作的基础上，目标轨迹预测技术重点研究了卫星轨道递推算法。

Singular perturbation theory and method for solving nonlinear problems is an important tool on the origin of celestial mechanics and nonlinear vibration problems,and its advantage is enough to give the right solution for structural analysis.

奇异摄动理论和方法是求解非线性问题的重要工具，它起源于对天体力学和非线性振动问题的研究，它的优点是能够给出足够正确的解的解析结构。

Libnova - libnova is a general purpose, double precision, astronomical calculation and celestial mechanics library.

libnova是一个通用目的的，双精度的，天文学计算和天文机械库。

Determinations based on celestial mechanics provide the constraints on the variation of G of/Go ≤ 10E-12/year.

基于天体力学的测定证明了 G 值变化的约束为/Go ≤ 10E-12/年。

Based on the theory and method of classical celestial mechanics and orbit dynamics of the artificial earth satellite, we need not to start the research from the every beginning.

经典天体力学和人造地球卫星轨道力学都形成了完整的理论体系与研究方法。

Celestial mechanics enables astronomers to calculate the positions of the planets at any time in the post or future and to predict the movements of comets.

天体力学使文学家能计算出行星在过去或将来任何时候的位置，并能预报彗星的运行位置。

Nowadays, most of research are to build a transmutative Petri Nets through adding controlling place sets, controlling arc sets and controlling policy to the basic Petri Nets, while the Controlled Petri Nets could be used to argue many controlling theory problems conveniently and to induce many logically and physically supervisory and solve the Event Feedback Controlling Problems and State Feedback Controlling Problem in DEDS supervisory theory.

目前大多数的研究表现为在变形后的受控Petri网基础上，利用各种方法求得各种逻辑型、结构型控制器，解决DEDS监控理论中的事件反馈控制问题与状态反馈控制问题。

On one hand, there are discussions with the works council and union about extension of short time working up to the end of September.

一方面，有讨论，工程理事会和联盟关于延长工作时间短至9月底。