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It was surprising when the alkali spectra showed unmistakable doublets.當(dāng)堿金屬光譜顯示出不容懷疑的雙線結(jié)構(gòu)時,是令人驚奇的.The envelope is called a double of doublets.這種峰叫做雙合雙重線....
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doublets的音標(biāo)：doublets的英式發(fā)音音標(biāo)為：['d?bl?ts]doublets的美式發(fā)音音標(biāo)為：['d?bl?ts]...
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n.緊身上衣，成對的東西( doublet的名詞復(fù)數(shù) )...