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periodic sound
释义
periodic sound
Encyclopedia
文学
声学语音学
释
periodic sound
乐音
发声体规则振动时产生的声音,听感和谐悦耳。与噪音相对。
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methane to ethylene
methanetriol
Methanocaldococcus jannaschii genome
methanogen
methanogenesis
methanogenic archaea
methanoic acid
methanol
methanol chemical industry
methanol maser
methanol poisoning
methanol reforming
methanol synthesis
methanol to aromatics
methanol to olefin products
methanol to olefin/propylene(MTO/MTP)
methanol to olefins
methanol to olefin technology
methanol to propylene
methanotroph
methanotrophs
methanotrophy
methaqualone
methaqualone; hyptor; ortonal; melsedin; parminal
methasulfocarb
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