... tetracyclicring四核环 tetracyclic四环的 tetracycloalkane四环烷 ...
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tetracyclic coordinates [计] [数] 四圆坐标
tetracyclic hydrocarbon 四环烃
tetracyclic triterpenoids 四环三萜
Tetracyclic Hcl 盐酸四环素
tetracyclic flower 四轮花
tetracyclic coordinate 四圆坐标
tetracyclic antidepressant 四环抗抑郁药 ; 四环类抗抑郁药
diethenoid tetracyclic triterpene alcohol 二烯系四环三萜烯醇
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以上来源于: WordNet
ADJ (of a compound) containing four rings in its molecular structure (化合物)四环的 [chem]
Ginsenoside, the main components of ginseng, is dammarane tetracyclic triterpenoids or hong resin alkyl type pentacyclic triterpene, which has not yet been synthesized artificially.
其主要功能成分是人参皂苷，即达玛烷型四环三萜类或香树脂烷型五环三萜类化合物，至今人参皂苷尚未能人工合成。
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