rocketry [美 ˈrɑkətri, 英 ˈrɒkɪtri] 名词 U
- rocketry
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单语范例（未经PONS编辑处理）
Other exhibits offer a hands-on understanding of concepts related to rocketry or space travel.
en.wikipedia.org This fact is used extensively in rocketry where hypersonic flows are required and where propellant mixtures are deliberately chosen to further increase the sonic speed.
en.wikipedia.org The conclusion of the series was that nuclear power would be coming to the field of rocketry.
en.wikipedia.org Students are involved in the drama guild, photography, rocketry, robotics, peer helping, student council, and music.
en.wikipedia.org In model rocketry, ejection charges are used to deploy a recovery system (usually parachute or streamer).
en.wikipedia.org