“Messier's catalog”的概念、定义、翻译、参考文献-科学参考

单词	Messier's catalog
释义	Messier's catalog [me`syāz `kad·ǝl´äg] ^ASTRONOMY A listing of 103 star clusters and nebulae compiled in 1784.
随便看	impression block impression cylinder imprint imprinter imprinting imprisoned incompleteness improper divisor improper fraction improper integral improperly posed problem improper orthogonal transformation improvement factor improvement threshold improvised grenade improvised mine impsonite impulse impulse approximation impulse excitation impulse face impulse function impulse generator impulse modulation impulse movement impulse noise

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