龄期是指昆虫幼虫在连续两次蜕皮之间所经历的时间。
学龄期 School age ; School period ; school years ; School child
龄期强度关系 age strength relation
换地权益龄期 age of entitlement
学龄期儿童 Children of School Age ; school-aged children ; school age child
标准龄期 valid period of standard ; standard carrying out
炉龄期 campaign
混凝土龄期 age of concrete ; concrete age
生理龄期 Physiological age
帐龄期间 aging period
数据龄期 AODC
The results showed that natural elimination mainly took place at younger period, especially at first instar.
调查结果表明,在自然状态下,野蚕的自然淘汰主要发生在小蚕期,尤其是一龄期。
参考来源 - 野桑蚕抗性的研究Early-age sawcutting, as one form of crack induction, has been applied to concrete pavement surfaces at specific contraction locations.
早龄期时在混凝土表面切缝，是引导裂缝规则产生的主要方法。
参考来源 - 水泥混凝土路面切缝机理研究In different instars, the morphology and structure of ovary were different. When the parthenogenetic female of D. carinata reached the fifth instar, the ovary had developed maturely and the female was ready to enter the first adult stage.
隆线孤雌的卵巢发育要经历五个幼龄期 ,不同的龄期 ,卵巢的形态结构不同。
参考来源 - 隆线溞孤雌溞生殖系统的组织学·2,447,543篇论文数据，部分数据来源于NoteExpress
每一个龄期快结束时，幼虫会经历老落这一过程。
Near the end of each instar, the larva undergoes a process called apolysis.
器官在早的龄期内不致被缩小或呈退化状态。
The organ will not be reduced or rendered rudimentary at this early age .
在育龄期的长度而言，双胞胎的母亲们也略胜一筹。
Mothers of twins won again in the length of their reproductive period.
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