“preamble”的概念、定义、翻译、参考文献-科学参考

单词	preamble
释义	preamble [`prē´am·bǝl] ^{COMMUNICATIONS} The portion of a commercial radio telegraph message that is sent first, containing the message number, office of origin, date, and other numerical data not part of the original message.
随便看	covariant components covariant derivative covariant equation covariant functor covariant index covariant tensor covariant theory covariant vector cove covellite cover coverage cover crops covered electrode covered smut cover half cover hole covering covering power cover plate covers coversed sine coversine covert covey

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