英语语法分析

This paper points out the importance and necessity of producing 1-hexene at home.

提出了我国生产己烯-1的重要性和必要性。

The critical density of 1-hexene was determined by "the law of rectilinear diameter".

用“对径直线律”确定了1-己烯的临界密度。

MTA also exhibited an eminent activity in the catalytic co-polymerization of ethylene and 1-hexene.

MTA在催化乙烯与1-己烯共聚合时，具有良好的聚合活性。