问题标题:
【英语翻译ethylene-alpha-olefiniccopolymerswhichhaveanethylenecontentof51to60mol%tothetotalamountofthecopolymer-constitutingethyleneandalpha-olefinotherthanethylene关键是后半句里的constituting...otherthan...怎么】
问题描述:

英语翻译

ethylene-alpha-olefiniccopolymerswhichhaveanethylenecontentof51to60mol%tothetotalamountofthecopolymer-constitutingethyleneandalpha-olefinotherthanethylene

关键是后半句里的constituting...otherthan...怎么翻

孙静静回答:
  乙烯和α-烯烃的共聚物中,乙烯摩尔含量占构成共聚物的乙烯和α-烯烃(而不是乙烯)的51-60%.   共聚物=异分子聚合物
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