不久前,我们来到福建东山岛鲍鱼增殖站,访问了长期从事人工培育鲍鱼并获得成功的归侨工程师陈达昌。这位五十一岁的「鲍鱼专家」,......

Based on the anatomic method for the samples of sperms and eggs of Cyclina sinensis (Gmelin),the requirement of density ......