larval

Adults have lungs, But a gill slit persists from the larval stage side Behind the head.

成体用肺呼吸, 但在头后两侧仍保存幼体阶段的鳃裂.

The toxicity of copper, zinc and cadmium to the larval carps was determined.

研究了铜 、 锌、镉三种重金属对鲤鱼幼鱼的毒性作用,以及铜和锌在鲤鱼幼鱼中的积累.

Analysis on Larval Rearing in Artificial Half-salt Water of Chinese Mitten Crab

安徽省河蟹人工半咸水育苗技术分析

The H.taimen is a large cold water fish and endangered species in China. Since the problems of artificial propagation and larval fish domestication were solved, conserving recourse and artificial cultivation became to possibility.

哲罗鲑是一种大型、濒危冷水性鱼类，其全人工繁殖和苗种驯化技术的解决使其资源保护和养殖推广成为可能。

The attainment of sexual maturity by an organism still in its larval stage.

(指作物)在生长的早期阶段收获的;在完全成熟之前.

Objective : To study the effect of housefly larval secretion on the development of Ascaris suum eggs.

目的: 观察家蝇幼虫分泌物对猪蛔虫卵发育的影响.

The biological characteristics such as morphology, distribution, feeding, reproduction and larval and juvenile development, and the artificial breeding technique of cobia ( Rachycentron canadum) were illustrated simply in the paper.

简要介绍了军曹鱼（Rachycentron canadum）的形态、分布、食性、生殖、胚胎和仔稚鱼发育过程等生物学特性以及军曹鱼苗种繁育的技术工艺。

The larval growth specificity and feeding observation of Chinese mitten crab

中华绒螯蟹幼体生长特性及投饵量的观察

StUdy on the Larval Cultivation of Penaeus monodon In Lower Water temperature

低温条件下培育斑节对虾幼体的研究

Pilot Studies on Biology of Early Larval Development and Feeding Behavior in Jellyfish, Rhopilema Esculenta

海蜇（Rhopilema esculenta）早期幼体发育生物学及摄食运动行为的初步研究

Numerical cladistic method was used for analyzing the phylogeny of ladybirds, based upon adult and larval characters.

根据成虫和幼虫的特征，应用数值支序方法探讨瓢虫科的系统发育。

The larval form of a fly is a maggot.

苍蝇的幼虫叫蛆。

The feeding behavior of larval Epinephelus coioides had close relationship with light.

仔鱼的摄食与光照有着紧密的关系.

Studies on day feeding amount on rotifer of larval juveniles grey mullet

鲻鱼仔、稚鱼轮虫日摄食量的研究

Development of the digestive system in larval, juvenile and young Turbot Scophthalmus maximus

大菱鲆仔稚幼鱼消化系统发育的组织学研究

An insecticide designed to kill larval pests.

用于杀死害虫幼虫的化学药品.

In both CDNB or GSH as substrate, the GSTs Km value of larval stage were significantly lower than those in the pupa and adult stages, while there were no significant difference among three development stages of GSTs Vmax.

无论以CDNB或GSH为底物时，桔小实蝇幼虫期GSTs的Km值均显著低于蛹和成虫期，而3个发育阶段间GSTs的Vmax无显著性差异。

A certain degree of stem solidness results in damaged and desiccated eggs and impaired larval movements.

一定的茎秆硬度会致使虫卵损伤和脱水,削移幼虫的移动.

However, this entity can develop as a primary infection through blood stream or direct larval migration.

然而, 这些虫体可以通过血流的原发感染或直接的幼虫迁移作为途径.

Rotifers are adequate first feeds of larval rearing of marine fish.

轮虫是海产鱼类苗种的适宜开口饵料和优质食物.

Plutella algebra year varies from 12-27 days, the larval stage.

小菜蛾一年发生代数各地不一,幼虫期12-27天.

The critical photoperiods for inducing ACB larval diapause were different in the geographic populations.

在一定温度下诱导不同地理种群滞育的临界光周期由南到北逐渐延长,同时,随温度的升高可以使种群临界光周期缩短.

Many kinds of proteinase inhibitors were purified from the larval hemolymph of insect ( Bombyx mori ) and characterized.

家蚕 血液中存在多种蛋白酶抑制因子,有些已被纯化并分析了性质.

The mosquito species that is targeted by this research are domestic mosquito species Culex pipiens pallens and Aedes albopictus. We emphasized on the larval and adult stages of their life cycle, and set out to exploit the potential sound environmentally technologies for mosquito control.

本文以国内常见蚊种淡色库蚊和白纹伊蚊为研究对象，从它们生活史的两个不同阶段&幼虫期和成虫期着手，开展环保型蚊虫控制新技术的初步研究。

The initial larval feeding rates fell to 50% of the tiptop initial feeding rate, the larvae entered the PNR, which appeared on the 8~ 9 days after hatching.

当初次摄食率降至最高初次摄食率50%时，仔鱼进入不可逆期，不可逆点出现在仔鱼孵出后第8～9天。

The butterfly-attractive plant can be divided into nectar plant and larval food plant.

诱蝶植物可分为蜜源植物以及幼虫食草两种.

Effects of zn~ ( 2+) on embryonic and larval developments of Sinonovacula constricta and detoxification of EDTA

Zn~（2+）对缢蛏胚胎和幼虫的效应及EDTA解毒作用

Most marine gastropod mollusks develop a ciliate swimming organ in certain larval stages.

大多数海洋腹足纲软体动物在某些幼体阶段形成一种有纤毛的游泳器官。

No diapause is observed in egg, larval and nymphal stages of these ticks.

2种硬蜱的卵、幼虫及若虫期均无滞育现象。

Studies on then Feeding Habits and the Growth of Larval 、 Juvenile and Young Red Sea Bream ( Pagrosomus major T, et S.) Spawning in the Autumn-winter Season

秋冬季生殖真鲷仔、稚、幼鱼摄食习性与生长的研究