进入轨道

Chiang Kai-shek made April 12, 1927 Shanghai action "IV. January 2 "coup. April 12, 1941 anti-Japanese base areas and these losses so weight. April 12, 1945 President Roosevelt died. April 12, 1945 Truman became President. April 12, 1946 traitor Chen Gongbo sentenced to death. 1981 4 First space shuttle Columbia on the 12th on the first launch. April 12, 1986 China started to push Bank nine-year compulsory education system. April 12, 1992 opening of Euro Disney Resort in France. 1 April 1996 2 Japan's Mazda, Ford Motor Company acquired the company. April 12, 1998 Pingju Opera performing artists new phoenix - death on April 12, 1961 the first humans into space Yaoyou space-Gagarin first Five of the Soviet astronaut Gagarin into space in high-risk falling in the East on the 1st spacecraft weight. April 12, 1961 at 9:00 Moscow time 0700 launched The maximum height of 310 km in orbit around the earth, lasted one hour and 29 minutes. at 10:55 landed in the Soviet Union.

一二政变·1941年4月12日日军扫荡使冀鲁豫根据地损失严重·1945年4月12日美国总统罗斯福逝世·1945年4月12日杜鲁门就任美国总统·1946年4月12日汉奸陈公博被判死刑·1981年4月12日第一架航天飞机哥伦比亚号首次上天·1986年4月12日中国开始推行9年制义务教育·1992年4月12日欧洲迪斯尼乐园在法国揭幕·1996年4月12日日本马自达公司被美国福特汽车公司兼并·1998年4月12日评剧表演艺术家新凤霞逝世 1961年4月12日人类首次邀游太空进入太空的第一人-加加林第一个进入宇宙空间的苏联航天员加加林所乘的10395磅重的东方1号航天飞船，于1961年4月12日莫斯科时间9时7分发射，在最大高度为310公里的轨道上绕地球一周，历时1小时29分，于上午10时55分降落在苏联境内。

Finally, for resolving the waiting problem of the OGY method, we suggest a"middle"periodic orbit method to guide the controlled orbit to close in on the target as soon as possible.

最后，为了改善OGY方法在控制实施前需要等待较常时间的缺陷，我们还提出了"中间周期轨"方法，来引导受控轨道尽快进入目标轨道附近。

"Partially reusable rocket -launched vehicle developed by NASA to go into Earth orbit, transport people and cargo between Earth and orbiting spacecraft, and glide to a runway landing on Earth."

由美国国家航空暨太空总署研制的进入地球轨道，为地球和轨道运行航天器运送人员和货物，并能滑翔回地面着陆的可部分重复使用的火箭助推的运载机。

Chandrayaan to enter tricky lunar orbit today 8 Nov 2008, 0352 hrs IST, Srinivas Laxman, TNN Print Email Discuss Share Save Comment Text: MUMBAI: Saturday evening would mark the D-day for India's prestigious Rs 386-crore moon mission, Chandrayaan-1, when the tricky lunar orbit insertion takes place — expectedly between 5 pm and 6 pm.

用Google翻译如下：月球进入月球轨道棘手的今天 2008年11月八日， 0352至29日， Srinivas拉克斯曼， TNN 打印电邮讨论分享节省评论文字：孟买：星期六晚上将标志着D -日，印度著名的卢比386亿卢比月球任务，月球- 1 ，当棘手的月球轨道插入发生-果然下午五时至下午6时。

In the context of rapid rail development, it's an important strategic action of Shanghai rail transit to carry out "The Main Strategy of Vitalizing the City through Science and Education", and to rely on scientific and technical innovation for accelerating rail network construction.

在城市轨道交通进入快速发展时期的背景下，深入贯彻落实&科教兴市主战略&，依托科技创新加速推进网络建设，是上海城市轨道交通发展的一个重要战略举措。

A highly reliable and accurate on-board control system design scheme is presented for the orbit maneuvers of CE-1 spacecraft during its cislunar transfer phase.

文章阐述了嫦娥一号卫星地月转移阶段(从星箭分离到进入使命轨道)的高可靠、高精度自主变轨控制方案，介绍了飞行轨道、轨控策略及控制参数优化、星上自主变轨控制的系统设计和相关参数的地面标定等，给出了在轨飞行试验的验证结果。

Networks of satellites already on orbit or soon to be launched are beginning to provide detailed observations of the workings of the atmosphere, ocean, and continental crust over the entire planet.

由已经进入轨道或是即将发射的卫星所形成的网络已开始提供有关整个地球的大气、海洋和陆壳运动情况的详细观测资料。

For the first time the astronauts were able to take off their heavy spacesuits and enter the orbital module to carry our scientific experiments.

第一次宇航员能够离开他们沉重的太空服并且进入轨道模块进行科学实验。

Two of the astronauts will enter the orbital module, put on EVA spacesuits and prepare for the spacewalk.

2名宇航员将进入轨道舱，穿上太空外活动宇航服准备太空行走。

The spacecraft uses a bipropellant integrated propulsion system to reach lunar orbit as well as orbit and attitude maintenance while orbiting the Moon.

该航天器采用一个整体的二元组推进系统进入月球轨道和维持轨道高度及状态。

I think he's learned how to approach hitters....

Johhny Damon说，『他已是最好的了，再没有人能够比他做的更好，我想他的球技已经完全成熟了，而且他也已经学会了如何去对付和压迫各种打击者。。。。。。

In effect, an 18 foot King Cobra could actually look down onto the average human being.

际上，一个18尺眼镜蛇王其实可以俯视到的平均人。