reproduction process造句

1、Several reproduction method and reproduction process of aspherical surface are presented.
介绍制作非球面的几种复制法及复制工艺。

2、Production and current it is two in social reproduction process important segment.
生产和流通是社会再生产过程中的两个重要环节。

3、The object of this system is the reproduction process of forest resources.
调控的客体是森林资源的再生产过程。