Through the analysis on kinematical constraint characters of the launch window for Earth-to-Moon transfer trajectories based on the high elliptical parking orbit,laws of kinematical constraint influence on the launch window are given,and launch opportunities of the lunar probe and the probability to add the launch window are verified.
通过分析大椭圆停泊轨道月球探测器发射窗口的运动学约束特性,给出了转移轨道运动学约束对发射窗口的影响规律,进一步明确了在该种情况下月球探测器的发射机会和增加窗口的可能性。
Based on the characteristics of launch window,an algorithm to calculate the launch window for space rescue mission was deduced.
从发射窗口的基本特性出发,推导了空间救援任务发射窗口的解析求解方法。
The launch window meeting the restriction of coplanar rendezvous and the characteristics of trans-lunar trajectory is obtained by precise dynamics model.
采用精确轨道动力学模型,得到了满足共面交会约束的发射窗口,以及地月转移轨道特性。
In calibration of Si(Au) surface-barrier semiconductor detector,we find the peak-channel of 241Am standard radioactive source shift with the position and the size of incident window.
在刻度Si(Au)面垒半导体探测器过程中观察到241Am标准放射源的的峰道址随入射窗的位置及大小的移动现象。
The physical stop which corresponds to the entrance window is then the required field stop.
入射窗所对应的实物光阑就是所要求的场光阑。
Inside the earthy wall crowded, by a thread of sunshine, each eye is brightened.
土墙内可谓济济一堂,依靠木窗射入的一丝光线,照亮着一双双眼睛。
In the sunbeam passing through the window there are fine grains of dust shining like gold
在射入窗内的阳光里,细微的尘埃象金子一般在闪闪发亮。
In the last two parts we leanred there are skylight from openings, Sunlight and indirect light.
在前两部分中我们学习了从窗口进入的天光,阳光以及直射光。
In the sunbeam passing through the window there are fine grains of dust shining like gold.
在射入窗内的阳光里,细微的尘埃像金子一般在闪闪发亮.
The Study of a New Approach to Postauricular Microinjection via the Round Window Membrane for Cochlear Gene Transfection in Mouse
耳后入路圆窗膜显微注射小鼠耳蜗基因转染新途径的研究
A half - circle window, often with sash bars arranged like the ribs of a fan.
扇形窗门或窗上有扇骨状放射格条的半圆形窗
Open the curtains,to let some light through the window.
打开窗帘使光线能通过窗子射进来。
The rays of the sun poured in from the windows.
阳光从窗口照射进来。
A gleam came from the window.
从窗户射进一道微光。
Flames were leaping out of the windows.
火焰从窗户向外喷射。
They fitted bars to their windows to stop burglars getting in.
他们在窗户上加了窗条以防盗贼进入.
They fit bar to their window to stop burglar get in.
他们在窗户上加了窗条以防盗贼进入。
The burglar gained access through the window
窃贼是通过窗户进入的
Sunlight poured in through the windows.
阳光通过窗户泻入室内。
The moonlight poured in through the windows.
月光透过窗户泻入室内。
The setting sun is reflected from the windows of the alms-house as brightly as from the rich man’s abode;
夕阳从济贫院窗上反射,像从富裕人家窗上反射一样光亮;
the smallest angle of incidence for which light is totally reflected.
入射光全部被反射的最小的入射角。