Having an abundance of water on the moon would make it easier to set up a base camp for astronauts by providing drinking water and an ingredient for rocket fuel.
月球上有丰富的水，可以使为太空人建立基地营比较容易，因可提供饮用水和火箭燃料的一种成分。
Colonel John Stapp rides a rocket sled at Edwards Air Force Base in California. Credit: US Air Force.
照片拍摄自加利福尼亚州爱德华兹空军基地，美国空军上校约翰·斯·塔普骑坐在火箭雪橇上。
The HTV-2 - shaped like the tip of a spear - took off atop a Minotaur IV rocket from Vanderberg Air Force Base in California early on Thursday.
周四早些时候，形似矛尖的HTV- 2便从加州范登堡空军基地发射的“牛头人4号”火箭前端起飞。
On Dec. 14, 2006, Vandenberg Air Force Base launched a rocket carrying a satellite called USA 193.
年12 月14 日，范登堡（Vandenberg）空军基地发射了一架火箭，上面携带着一枚名为“美国 193”的卫星。
The day after Colonel Lewis arrived, insurgents fired a rocket at the base, the first such attack in nearly a year.
在Colonel·Lewis到达的第二天，叛军就冲着基地发射了一枚火箭，类似事件这些年并没有发生过。
The design of the nozzle of the rocket assisted engine with the base bleed compound extended range shrapnel is introduced in this paper.
经射击试验证明文中所述对增程弹火箭助推发动机喷管设计具有一定的指导意义。
Thee rocket did one circuit of the earth and returned to base.
火箭绕地球运行一周后返回基地。
For a rocket with typical four-nozzles , using turbine exhaust scheme could greatly reduce the heat flux on the base plate. This is a successful example of impulse wind tunnel application.
典型的四喷管火箭底部挡板采用涡轮废气排气方案能大大减少底部热流，这是脉冲式风洞的成功应用成果；
Base on these, the health condition evaluation system of the liquid hydrogen supplying system of a rocket engine testing platform was set up.
在此基础上，建立了火箭发动机试验台液氢供应系统的健康评价体系。
As the fault data-base of the diagnosis system is improved, the model will play an important role in accurately and rapidly diagnosing the fault position of test system for solid rocket motor.
通过对诊断系统的故障数据库的不断完善，该模型将在固体发动机地面试验测试系统中准确、快速地确定故障部位发挥重要作用。
The research results could be effectively applied to improve the engineering development of a hybrid base-bleed-rocket extended-range projectile.
计算结果所揭示的规律性对底排火箭复合增程弹的工程研制具有较好的应用价值。
The results will be useful to the design of Base-Bleed and Rocket Compound Extended Range Projectiles.
结果将有助于某型号底排-火箭复合增程弹的设计分析。
The overall theory and application about a hybrid base-bleed-rocket extended-range projectile is studied in this paper.
本文以底排—火箭复合增程弹总体理论及其应用为主要研究内容。
The Doppler Radar data fitting method of the first flight segment trajectory in a free flight test of rocket assisted and base bleed projectiles was presented.
提出了复合增程弹起始飞行段弹道多普勒雷达数据拟合方法。
The Doppler Radar data fitting method of the first flight segment trajectory in a free flight test of rocket assisted and base bleed projectiles was presented.
提出了复合增程弹起始飞行段弹道多普勒雷达数据拟合方法。
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