... 单元环 unit loop 多元环 algebra over a field 九元环 nine membered ring; nine-atomic ring; nine-ring; nonatomic ring ...
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环氧丙醇低(齐)聚物结构上属于低分子量的多元醇线型聚醚，可直接用作增稠剂、保湿剂等。
Glycidol oligomers structurally belong to line polylol polyether, and can directly act as thickener, moisturizing and so on.
水性环氧固化剂一般采用多元胺-环氧加成物。
Polyamine - epoxy adduct is used as waterborne epoxy hardener generally.
利用多元参数回归的方法，建立了求解偏心环空波动压力的经验模式。
The experience model of eccentric annular has been established by using multiple regression analy8is.
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