英语翻译

问题描述:

英语翻译
ethylene-alpha-olefinic copolymers which have an ethylene content of 51 to 60 mol % to the total amount of the copolymer-constituting ethylene and alpha-olefin other than ethylene
关键是后半句里的constituting...other than...怎么翻

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