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The infra - red spectra of quinones present a number of interesting features.醌类的红外光谱具有一些有趣的性质.Ethylene and trans - dichloroethylene are both inactive in the infra - red in this region.乙烯和反式二氯乙烯在红外光谱的这个区域都无活性.Infra - red ...
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infra的反义词有：supra, supra。adv.infra的反义词（以下;以后）：supra。infra的反义词（其他释义）：supra。...
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The infra - red spectra of quinones present a number of interesting features.醌类的红外光谱具有一些有趣的性质.Ethylene and trans - dichloroethylene are both inactive in the infra - red in this region.乙烯和反式二氯乙烯在红外光谱的这个区域都无活性.Infra - red ...
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infra的音标：infra的英式发音音标为：['ɪnfrə]infra的美式发音音标为：['ɪnfrə]...