“Marmor”的概念、定义、翻译、参考文献-科学参考

单词	Marmor
释义	Marmor [`mär´mȯr] ^GEOLOGY A North American stage of Middle Ordovician geologic time, forming the lower subdivision of Chazyan, above Whiterock and below Ashby.
随便看	sound-powered telephone sound pressure sound pressure level sound production soundproofing sound ranging sound-ray diagram sound reception sound recording sound reduction factor sound reflection coefficient sound-reinforcement system sound-reproducing system sound reproduction sound sensation sound signal sound spectrograph sound spectrum sound speed soundstripe sound system sound track sound transducer sound transmission sound transmission coefficient

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