英语帮忙造个句it is_____that___,besides_____.

It is said that habitat factors arenecessary in hypotheses as external causes for explaining sexual segregation,besides ecological demands of animals.
据说,解释动物性别分离机制的假说除了包括动物自身的生态需求内因外,必须引入生境因子外因的作用.
It is said that the offshore petroleum industry is the only industrythat employs helicopters in such a large scale in its operation,besides military.
据说在全世界除了军队以外,也只有海洋石油工业才能负担得起如此大规模地动用直升机参与施工作业.

it is wonderful that you can recite the article on your own,besides,you can also help other students.