火箭

Long march 5 carrier rocket second half of the year will turn from plan design phase this year for first appearance phase, this rocket will achieve the goal of avirulent, free from contamination, the engine of the rocket is to use liquid oxygen kerosene and oxyhydrogen to make fuel.

长征五号运载火箭今年下半年将从方案设计阶段转为初样阶段，这枚火箭将实现无毒、无污染的目标，火箭的发动机是用液氧煤油和氢氧作燃料。

This paper introduces the piezoelectricity quartz thrust and thrust vector sensor in detail.The mathematical model of the sensor force system is established.

火箭发动机的推力偏心对火箭和导弹的飞行性能带来不良的影响，它使火箭弹的散布增大，精度下降，可导致导弹飞行中掉弹[1]。

Solid rocket engine ; Hybrid propellent rocket engine ; Performance analysis

固体火箭发动机；固液混合火箭发动机；性能分析

Perhaps the most telling point during the Rockets loss in Boston on Sunday was guard Tracy McGrady's reaction to a missed shot.

也许最能说明火箭星期天客场输给那场比赛的是火箭后卫麦蒂在投失一球以后的表现。

The firm is offering the space marriages in a tie-up with US based Rocket Plane, which will conduct the flights from a private airport in Oklahoma.

该公司是与美国公司火箭飞机合作推出太空婚礼，火箭飞机公司将会在奥克拉荷马州的一个私人机场处理太空婚礼航班。

A technician straps legendary test pilot Scott Crossfield into the cockpit of the X-15 rocket plane before an early test flight. The X-15's maiden flight occurred on June 8, 1959,during which Crossfield was carried aloft in his sleek, black rocket plane beneath the wing of a B-52 from NASA's Flight Research Center.

在一次早期试飞中，一名技术专家用飞行皮带把传奇的试飞员斯科特克罗斯菲尔德固定在X-15火箭推进式飞机的小驾驶室中。1959.6.8，X-15进行了处女航，它挂在一架B-52超级空中堡垒的机翼下从NASA德莱登飞行研究中心起飞，克罗斯菲尔德驾驶着黑色光滑的火箭推进式飞机完成了处女航。

The evolution course of Chinese solid rocket propulsion technology for space missions since 1950s is presented.

叙述了 2 0世纪 5 0年代以来中国航天固体火箭推进技术的发展历程，介绍了 9种最具代表性的固体火箭发动机的技术特征、研制过程、地面试验和飞行情况，这些发动机分别应用于中国的探空火箭、运载火箭上面级和应用卫星变轨系统。

Hybrid rocket motors keep the features of low cost,high reliability,and no hazards.In recent years, there has been a resurgence of interest in the development of hybrid rocket engines for advanced launch vehicle applications.

由于混合火箭发动机具有高安全性、高可靠性和低成本等突出优点，最近几年又重新成为了火箭推进技术的重要发展方向之一，具有广泛的应用前景。

A rocket is a space vehicle that is shaped like a long tube.

助推火箭 2。增压机，升压器 3。加强剂量长征二？捆绑火箭

The high thrust combined with a short burn time provides for very quick acceleration of the rocket, which is beneficial for providing rapid aerodynamic stability of the rocket vehicle after departing the launch guide-rod.

高推力结合在短期内燃烧时间规定非常快，加速火箭，这是有利于提供快速气动稳定性的火箭车后离开发射指南棒。

Means the parent directory, so this command means to execute "toolchain.sh," which is in the current directory.

代表父目录，所以这个命令就是执行当前目录下的"toolchain.sh"。

Yes,In fact,I'm on our city ream.

是的。事实上我是我们市队的。