“hypersonic flight”的概念、定义、翻译、参考文献-科学参考

单词	hypersonic flight
释义	hypersonic flight [¦hī·pǝr`sän·ik `flīt] ^{AEROSPACE ENGINEERING} Flight at speeds well above the local velocity of sound; by convention, hypersonic regime starts at about five times the speed of sound and extends upward indefinitely.
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