幼体

The effects of different dosage of Cefalexin on larval development of Penaeus monodon and changes in the number of heterotrophic bacteria and vibrios in larval rearing ponds were studied.

研究了不同浓度头孢氨苄对斑节对虾 Penaeus monodon 幼体发育以及对斑节对虾育苗水体中异养菌总数和弧菌数量的影响。

The effects of different dosage of Cefalexin on larval development of Penaeus monodon and changes in the number of heterotrophic bacteria and vibrios in larval rearing ponds were studied.

摘 要：研究了不同浓度头孢氨苄对斑节对虾 Penaeus monodon 幼体发育以及对斑节对虾育苗水体中异养菌总数和弧菌数量的影响。

The effects of small range of changes of Ca(superscript 2+) and Mg(superscript 2+) concentrations (0-100 mg/L) on the survival rate and growth were studied in the larvae from the mysis Ⅲ(M3) to the postlarval 10 (P10) stages of Litopenacus vannamei. Larvae were raised in artificial water prepared from condensed sea water and tap water.

采用浓缩海水与自来水调配的基础海水，以凡纳滨对虾Ⅲ期糠虾幼体(M3)作为试验对象，在小范围(0~100 mg/L)内调节育苗用水中Ca(上标 2+)、Mg(上标 2+)浓度，以L9(3^4)正交表设计，研究育苗用水中不同Ca(上标 2+)、Mg(上标 2+)浓度对凡纳滨对虾M3育成仔虾(P10)的成活率和生长的影响。

The Axolotl is the best-known of the Mexican neotenic mole salamanders belonging to the Tiger Salamander complex.

美西螈生长在墨西哥，因永久保留其幼体阶段的特征而著称，属虎纹钝口螈。

Consistent with previous observations of size-dependent overwinter mortality, young alewives deplete a large amount of body energy between late fall and late spring (i.e., declines in length-specific energy content and energy density occur overwinter).

与先前观测的个体尺寸相关的个体死亡率一致，幼体灰西鲱在秋季末和春季末消耗体内大量的能量（冬季时特定能量状况和能量密度会下降）。

This paedomorphic selection naturally results in a retention of juvenile physical characteristics as well.

这种幼态持续选择的结构自然是导致了幼体生理特征的保留。

Being ashore was the chief disease which threatens the pinnotheres of Chinese mitten crabs in the process of being cultured.

河蟹幼蟹培育过程中发生上岸现象是幼蟹培育期的主要疾病，采取大眼幼体放养前综合消毒、在整个养殖期定期药物预防，可以大大减少发病率，提高幼蟹的成活率。

They eat planktonic crustaceans and fish larva e.

以浮游的甲壳动物和鱼类幼体为食。

They eat planktonic crustaceans and fish larvae .

以浮游的甲壳动物和鱼类幼体为食。

The symbiosis between coral-inhabiting snail Coralliophila violacea and Porites spp.Different host specificity is commonn in symbiotic organism. Larval preference, post-settlement mortality and juvenile preference are the possible mechanisms.

共生生物的分布常有不同程度的专一性，而幼生时期的选择、著床后的死亡率、幼体或成体时期的选择可能是造成这种现象的机制，此外共生生物的适应会和宿主有密切的关系。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失