“propellant mass ratio”的概念、定义、翻译、参考文献-科学参考

单词	propellant mass ratio
释义	propellant mass ratio [prǝ`pel·ǝnt ¦mas ´rā·shō] ^{AEROSPACE ENGINEERING} Of a rocket, the ratio of the effective propellant mass to the initial vehicle mass. Also known as propellant mass fraction.
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