formation of fins

In five stages from one chamber air bladder stage to formation of fins stage, the discriminant success are 63.51%, 63.22%, 75.31%, 91.92% and 98.44% respectively by sagitta;

自鳔一室期至鳍条形成期，以矢耳石来判别时，各期判别成功率分别为63.51%、63.22%、75.31%、91.92%和98.44%。

互联网摘选