Discussion About Closeness of Orbit and Steadiness of Circular Orbit for Motion of Central Forces
有心力运动轨道封闭性与圆轨道稳定性讨论

French satellites in geostationary orbit and still operational, with approximate orbital positions
仍在对地静止轨道上运行的法国卫星及其近似轨道位置

This paper first sums up the main problem about orbit prediction of an artificial earth satellite.
本文将对人造地球卫星轨道预报中的主要问题作一概括。

Astronomers were assuming, that the Earth's orbit was large relative to the distance to the stars.
天文学家假设地球的轨道 远大于跟恒星的距离。

Orbit design for the space station adjoint satellite cluster considering the impact of perturbation
考虑摄动影响的空间站伴随卫星群轨道设计

The Applications of the Closed Orbit theory to the Spontaneous Emission of Atoms in a Dielectric Slab
闭合轨道理论在二层介质中原子自发辐射问题上的应用

Objective To observe the effect of embedding unwrepping hydroxyapatite artificial eye mount in orbit.
目得观察无包裹羟基磷灰石义眼座植入术得临床效果。

Agreement between the USA and the USSR Not to Place in Orbit Any Object Equipped with Nuclear Capacity
不把装有核能力物体送入轨道内的美苏协定

The centripetal and centrifugal forces acting in opposition to each other keep our planet in her orbit.
向心力和离心力互相对峙的缘故，遂能使行星在轨道上行动。

Affection of Longitude Ascending Node and Orbit Inclination on the Eclipse for Geosynchronous Satellite
升交点赤经与轨道倾角对地球同步卫星地影的影响

The acceleration may in turn be obtained from the velocity of the satellite and the radius of the orbit.
这个加速度又可根据卫星的速度和它的轨道半径来求得。

How Navigation Satellite Orbit Numerical Integration Affected by Shadow Model and Its Correcting Methods
地影模型对导航卫星轨道数值积分的影响及改进

Symptomatology depends on whether the disease involves the anterior or retrobulbar portion of the orbit.
临床症状依靠于病变是否累及眼眶的前方或球后。

Autonomous Relative Orbit Determination for Satellite Formation Flying on basis of Orbit Element Differences
基于轨道根数差的卫星编队自主定轨研究

Debugging, analyzing and disposing of malfunction on the electronics orbit weighing apparatus of digital type
数字式电子轨道衡的调试与故障分析处理

But, it could be somewhat out of our orbit, the shared orbit, due to trying to evade the Earth, the crowding.
但它可能有点离开共有轨道，以避开和地球产生拥挤。

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。

When a sportsman rises high into the air and an astronaut travels around the orbit, they will be in weightlessness.
运动员的腾空和宇航员在轨道上的飞行都是处于失重状态。

The two dimensional orbit of the tethered satellite that in one plane is studied and the analytic solution is given.
研究了二维的子星轨道的问题并给出了解析解。

At that low altitude, this orbit will not last very long, and the satellite will reenter into the Earths atmosphere.
在低空，轨道，无法维持太久，卫星会重新进入地球大气。

They used it to get a representative sample of these asteroids that orbit the sun and have a risk of crossing Earths orbit.
一些小行星环绕太阳飞行, 它们有穿越地球轨道的风险。

This research paper adopts the analytic approach of documents and the orbit of the gradual progress for preschool education.
本研究采文献分析法，分析幼儿教育演进之轨迹。

Effect of the implantation of hydroxyapatite artificial eye on the orbit development of the child operated on retinoblastoma
羟基磷灰石义眼台对视网膜母细胞瘤患儿眼眶发育的影响

In addition， from the reactivity of DUB and urushiol，it was inferred that boron atom in DUB possessed catalytic effect due to its empty electronic orbit.
其分子中的硼原子对该游离基聚合反应具有催化作用。

the range of a supersonic jet the ambit of municipal legislation within the compass of this article within the scope of an investigation outside the reach of the law in the political orbit of a world power.
飞机速度的控制范围。