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 稚鱼 [zhì yú添加此单词到默认生词本
young fry

  1. 在孵化后第13天,出现胃腺,标志着期的开始。
    Gastric glands were observed on 13 DAH, which indicates the passage through the juvenile period.
  2. 作者研究了0~40日龄大黄胃、肠道、肝脏和胰腺发育的显微、超微结构及胃蛋白酶活力。
    The microstructure and ultrastructure of stomach, intestine, liver and pancreas development, and pepsin activity in the larvae were studied.
  3. 仔、、幼的生长速度具有明显的阶段性,1~2日龄仔生长较快,5~9日龄生长减慢,21~30日龄生长加快,31~40日龄生长又减慢。
    The growth rate offish was higher during 1-2 and 21-30 DAH, but slower during 5-9 and 31-40 DAH.



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