轨道的

Using this method we determine the characteristic directions and the numbers of orbits which go towards or away from the equilibria at infinity.

最终，我们得到了系统无穷远奇点处的所有特殊方向以及沿这些特殊方向进出奇点的轨道的情况。

It is an important research subject how to control the azimuth of borehole trajectory by an application of the regularity of drift.

在井眼轨道的描述模型、设计方法和设计结果等方面，它与常规的二维剖面设计存在着显著的差异。

The main display is the space directivity and level of electronic population of transition metal atomic d orbit at the surface.

其主要表现是表面上过渡金属原子d轨道的空间取向和电子的布局水平的变化。

The solution of the equation and the period of the particle motion for a non-pertubated system are expressed exactly by means of Jacobian elliptic function and the 1-st kind elliptic integral.Melnikov function of the rotated periodic orbit is constructed,and also bifurcation of the system is analyzed by the method.

利用Jacobian椭圆函数和椭圆积分给出了系统的解和粒子运动周期，用Melnikov方法构造了旋转型周期轨道的Melnikov函数，并用这个方法分析了系统的局部分叉性质。

Two clusters of formation flying satellites with a relative angle on geosynchronous earth orbit were used to construct a space-based continuous navigation system for deep space exploration.

应用地球静止轨道的两个编队飞行卫星群构成天基的深空探测导航系统，可以全天候连续为深空探测器导航。

The slightest miscalculations in trajectory can spell doom for a successful space mission .

对轨道的细小的计算错误可以意味着对成功

The mind of the little old Kikuyu, upon the road across the plains, was running upon the same line as that of Brillat-Savarin , who said

生育指标。。连上户口，办独生子女证，办医疗证，办粮油关系等等跑的路程加起来等于地球轨道的半周。。。

"Explorer 1, the first satellite sent into orbit by the U.S., discover ed the innermost Van Allen radiation belt."

探险家1号」是美国第一枚进入太空轨道的卫星，它发现了最内层的范艾伦辐射带。

Gagarin was the first man to orbit the Earth in a satellite.

年，U.S.S.R的太空人加加林是第一个坐卫星进入地球轨道的人

LeVerrier, however, realised that the orbit was shifting too fast.

但是Le Verrier意识到这轨道的改变快的有点不寻常。

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。