juvenile stage meaning in English

幼年期
幼期
稚蚕期

The juvenile stages and neoteny observed by him may also be explained in this way .
他所看到的幼态阶段和幼态成熟也可利用这种方法来解释。
The result showed salinity had no significant effect on feeding intensity of m . mongolica daddy , although all data obtained in the experiment indicated that the filtering rates , feeding rates , and daily forages were hightest at 10 , and lowest at 5 , and body length , which closely positively correlated with the filtering rate was one of important factors regulating feeding intensity of this flea , and the daily forages fluctuated between 70 . 76 % ~ 84 . 02 % in juvenile stage , and 69 . 40 % ~ 80 . 60 % in adult stage , respectively
结果表明：同体长下，在5 ~ 40范围内盐度对?摄食无显著影响，但该?的滤水率、摄食率和日粮均在10下略高， 5下较低；各盐度下体长对?的滤水率、摄食率和日粮都有显著影响，体长增加， ?的滤水率和摄食率升高，而日粮降低， ?体长与滤水率呈显著相关；在5 ~ 40盐度下，幼?的日粮为70 . 76 % ~ 84 . 02 % ，成?为70 . 73 % ~ 80 . 60 % 。