查询词典 orbit

LRO will go into orbit around the moon, turning its suite of instruments towards the moon for thorough studies.

LRO正进入月球轨道，开始运转所有的设备对月球进行探测。

It is possible that later this year China will launch an unmanned spacecraft to orbit the moon, a step towards an eventual moon landing by a Chinese astronaut.

今年年底他们有可能将一艘无人驾驶的宇宙飞船送上月球既定轨道，这为中国宇航员最终登月奠定坚实一步。

China's first lunar probe, the Chang'e 1, successfully completed its fourth orbital adjustment yesterday, entering into the earth-moon transfer orbit, leaving the earth's gravity and heading off towards the moon.

中国首颗探月卫星"嫦娥一号"昨天下午5时28分成功完成第四次变轨，顺利进入地月转移轨道，这意味着"嫦娥一号"卫星脱离了地球的怀抱，开始飞向月球。

Itis possible that later this year China will launch an unmannedspacecraft to orbit the moon, a step towards an eventual moon landing by aChinese astronaut.

今年晚些时候，中国有可能发射一个无人环月航天器，向最终实现中国太空人的登月目标前进了一步。

We prove strictly that under the action of any element of this transformation group, an dense orbit in symbolic dynamics becomes other dense ones.

我们证明了，符号动力系统中的一条稠轨在此变换群任一元作用下，变成另一条稠轨。

In this paper, the precise initial guidance law based on velocity gain guidance and the state transition matrix for orbit interception were proposed.

对于轨道拦截问题，给出了一种基于速度增益制导和状态转移矩阵的精确初制导方法。

In view of the practice of precise orbit determination and parameter solution, the difference algorithm to compute state transition matrix is proposed.

根据精密定轨和参数解算的实际需要，提出用差分算法，即通过两条很接近的轨道的差来计算状态转移矩阵。

For the Sun in its orbit around the centre of the galaxy, the speed is 220 km/s, but the acceleration only about 10 pm per second per second (a picometer, pm, is a trillionth of a metre) and the required force is 0.0000000001% of your weight.

太阳绕银河系中心公转的速度为220km/s，但加速度只有约10 pm/s/s （1 pm=10^-12 m），相应的力只有你体重的

The natural bond orbit analysis shows that the inter-molecular charge transfers are 0.60475e and 1.20225e for the dimer and trimer, respectively.

自然键轨道分析表明，形成最稳定的二聚体和三聚体时，分子间电荷转移分别为

For example, we study the properties of the"centroid curve" and the"auxiliary curve", and identify two planes in which these two curves are defined respectively; we also use the idea of homotopy method to prove a fact that the orbit of a differential system has no triple contact point with the line we considered. Another key technique, which we use several times, is deformation argument.

例如研究由Abel积分之比定义的"质心曲线"和"辅助曲线"的几何性质，并把这两条在不同平面上定义的曲线放在同一坐标系中考虑；利用拓扑中同伦的思想来证明微分系统的轨线不可能与某条直线三重相切；利用几何方法与分析计算相结合证明了某一曲线是正则的；以及连续变动参数的技巧。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。