1.
Flights 13 and 14 had Centaur boosting the spacecraft to escape velocity for an early demonstration of circumlunar capability.
第13次和第 14次飞行利用森托尔推进飞船逃离速度限制，这是绕月飞行能力的早期证明。
2.
After cutting circumlunar flight from the Mark II plan, Chamberlin revived the even more daring idea of using the spacecraft in a lunar landing program.
在删除了马可Ⅱ计划的绕月飞行内容后，张伯伦提出了一个更为大胆的飞船登月计划。
3.
The spacecraft rounded the moon.
宇宙飞船环绕月球飞行。
4.
The spaceship orbited the moon.
宇宙飞船绕月球运行。
5.
The spacecraft is in orbit (ie moving in orbit) round the moon.
该航天器在绕月球轨道上飞行.
6.
How many spacecraft have orbited around the moon?
有多少宇宙飞船围绕月球轨道运行过？
7.
The flight proved that a spacecraft could orbit the moon and return to Earth safely.
这次飞行证明了宇宙飞船可以环绕月球，并平安回到地球。
8.
Then they began to prepare to launch the lander for the return flight to the orbiting command module.
然后，他们开始准备发动登月舱起飞，返回正在绕月轨道上飞行的指令舱。
9.
While one of the astronauts went round the moon in the command module, the other went down to the surface in the lunar module.
当其中一名太空人在船舱中绕著月球飞行的时候，另一名在登月舱中向月球表面降落。
10.
The flight plan for this lunar landing program derived from the speeded up circumlunar proposal appended to the Mark II plan of I4 August.
这次登月飞行计划产生于8月14日马可Ⅱ计划附属的加速绕月计划。
11.
duce to orbit Saturn in 2004,
计划于2004年绕土星飞行，
12.
The moon orbits the earth.
月球绕地球轨道运行。
13.
The pilot managed to circle the balloon for some time.
这位飞行员设法绕气球飞了一阵。
14.
an imaginary line around the moon parallel to its equator.
围绕月亮与月亮的赤道平行的假想线。
15.
The other part will orbit the planet.
另外一部分在轨道上进行环绕飞行。
16.
take a nonstop global flight
作一次环绕世界一周的不着陆的飞行
17.
The pilot made a spiral around the airport before landing.
飞行员绕着机场盘旋之后才着陆。
18.
RFID Application of Supply Chain at Takeoff:EPC Avoids Official Pressure;
RFID供应链应用起飞在即:标准绕道而行