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rocketry
rocketry
详细解释:
n. 火箭研究
英语解释:
名词 rocketry:
the branch of engineering science that studies rocket design and operation
详细解释:
rock.et.ry
n.(名词)The science and technology of rocket design, construction, and flight.火箭学,火箭技术:有关火箭设计、制造和飞行的科学和技术
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