NASA needs good weather to launch Ares I-X because engineers need to see the rocket flight all the way through first stage separation, which will mark the end of the test.

NASA需要好天气来发射战神I-X，因为工程师们要在第一级火箭分离前观测火箭飞行全过程，第一级火箭分离标志着试飞的结束。

youdao

The rocket flight aborted.

火箭飞行中途失败。

youdao

So the researching on the inverted pendulum is of important practice meaning to the high technology such as the rocket flight and the controlling of the robot.

因此，倒立摆的研究对于火箭飞行以及机器人的控制等现代高新技术的研究具有重要的实践意义。

youdao

By November,nineteen sixty-seven, the moon launch rocket,Saturn Five, was ready for a test flight.

VOA: special.2009.07.08

Five hours after the explosion, flight controllers advised firing the rocket for thirty-five seconds.

VOA: special.2009.07.22

And we hear about the test flight of NASA's newest rocket.

VOA: special.2009.12.30

Carmack may know more about controlled rocket flight than anyone.

FORBES: Rocket Man

His first rocket plane flight in the Bell X-1B experienced a nose gear failure on landing.

FORBES: Neil Armstrong's Immortal Footprint

SpaceShipTwo, its inventively named commercial vehicle designed to take (well-moneyed) civilians into outerspace, has just completed its first rocket-powered test flight.

ENGADGET