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。
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.
电视台对这次火箭发射升空的过程进行了直播。
The television station broadcast the launch of this rocket live.
新一代运载火箭系统是一个极其复杂的系统，可靠性要求极高，原则上不允许运载火箭系统在发射过程中出现任何故障。
New generation Carrier rocket system is a complicated system which requires high reliability. In principle, any fault is not allowed when the rocket is launching.
该适配器的设计将在EFT-1第一次发射过程中被测试，它将用于2017年NASA的下一个太空发射系统（SLS）重型火箭。
This adapter designwill be tested during EFT-1 for use during the first launch of NASA's nextheavy-lift rocket, the Space Launch System (SLS), in 2017.
文中利用ADAMS软件，对多管火箭炮齐射过程中不同的发射间隔进行了仿真研究。
Tins paper were described an simulation investigation that is carried out by adapting ADAMS software to simulate varied launch intervals during MRLS 'ripple fire.
在火箭发射过程中，火箭推进器与主体脱落时，夜空“变魔术”般出现两个发光的棍状物体，更让天文爱好者们着迷。
In the rocket during launch, the rocket boosters and the main off, the night sky, "magic" as there are two shiny stick-like objects, leaving fascinated by astronomy enthusiasts.
不过，第二级发射没有完成燃烧过程，导致火箭落在离预定地点很远的地方。
The second stage, however, failed to complete its burn period and, as a result, fell quite short of where the North Koreans had anticipated that it would land.
不过，第二级发射没有完成燃烧过程，导致火箭落在离预定地点很远的地方。
The second stage, however, failed to complete its burn period and, as a result, fell quite short of where the North Koreans had anticipated that it would land.
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