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One embryonic cell can be separated into many blastomere cells. As be the nuclear donor of the embryonic cell nuclear transfer, it can breed the number of eminent species largely, increase the number of endangered animals, supply large number of supply same genotype animals, improve the efficiency of gene transfer and sex control and offer same genotype apparatus or organ for human transplant.

一个早期胚胎细胞可以分离多个卵裂球，以此作为核供体进行胚胎细胞核移植，可以大量扩繁优良品种的数量，增加濒危动物的数量，为科学研究提供大量遗传同质的动物，提高转基因和性别控制技术的效率，提供基因型相同的器官或组织供人类移植。

The fourth milestone was in the embryonic stage of development . Vertebrates and echinoderms began to develop differentiated mouth structures from secondary openings off the blastopore ( an initial opening in the embryonic cavity ).

第四个重要事件出现动物的胚胎发育期，脊椎动物和棘皮动物开始在胚孔（即动物早期胚胎原肠的开口）相对的一端另行开口，并最终发育为成体的口。

The partial LSU rDNA (28S rDNA) sequences of eighteen species of bryozoans and the complete 28S rDNA sequences of three representative species of bryozoan lineages were amplified and sequenced.

本文对常见的18种苔藓动物的LSU(28S)rRNA基因的部分序列以及苔藓动物部分类群代表种类的28S rDNA全序列进行了PCR扩增和序列测定。

For normal mouse, Yi Shen Granule could prolong the swimming time of mouse, the survival in Yi Shen Granule groups was more than that in model control group in same cold condition. For low-immune mouse, The eliminated rate of carbon granule in Yi Shen Granule groups rats was faster than that in model control group rats, it showed that phagocytosis was boosted up, the absorbency of upside liquid in Yi Shen Granule groups rats was more than that in model control group rats in hemolysin mensurated test, it indicated that more antibody was come into being by giving Yi Shen Granule.

益肾颗粒可以延长小鼠游泳时间；增加在同一寒冷条件下，相同时间内小鼠的存活数；对免疫力低下小鼠，给药组动物的碳粒廓清指数增大，反映吞噬功能增强；在血清溶血素含量测定试验中，给药组动物的上清液吸收值增大，说明机体产生的抗体较多。

"Chordate:any of numerous animals belonging to the phylum Chordata, having at some stage of development a dorsal nerve cord, a notochord, and gill slits and including all vertebrate s and certain marine animals, such as the lancelets."

脊索动物：包括所有的脊椎动物以及如文昌鱼之类的海洋动物的脊索动物门的大量动物中的任一个，在某些生长阶段有背部神经索、背索及鳃裂。

Circe s transformation of men into pigs is perhaps one of the better known examples of this power , Verbena and Hermetics still have a history of changing offenders into various sorts of animals

◎◎◎◎◎动物形态--尽管女巫将人变为猪的神话可能是这种力量的更有名的例子，但是圣叶组织和独立法师仍然拥有将冒犯者变为不同种类的动物的历史。

If anyone, in violation of the provisions of this Law, hunts or catches wildlife in an area or during a season closed to hunting or uses prohibited hunting gear or methods for the purpose, his catch, hunting gear and unlawful income shall be confiscated and he shall be fined by the department of wildlife administration; if the circumstances are serious enough to constitute a crime, he shall be prosecuted for criminal responsibility in accordance with the provisions of Article 130 of the Criminal Law.

第三十二条违反本法规定，在禁猎区、禁猎期或者使用禁用的工具、方法猎捕野生动物的，由野生动物行政主管部门没收猎获物、猎捕工具和违法所得，处以罚款；情节严重、构成犯罪的，依照刑法第一百三十条的规定追究刑事责任。

By Suzanne Clothier Linda Tellington Jones uses a beautiful analogy to describe her approach to working with animals : she sees the interaction between human and animal as a dance .

用一个精彩的比喻来形容她的训练动物的方法：她把人类和动物的互动关系理解为一种舞蹈。

Based on the compared and simulated experiment, it was quantitively studied on the effect of macrobenthos (Ilyoplax deschampsin and Corbicula fluminea) on the exchange of nutrient across the sediment-water interface and the early diagenesis of nutrient in the tidal flat sediments from the Yangtze Estuary. Ilyoplax deschampsin and Corbicula fluminea affected the exchange of nutrient across the sediment-water interface by the different biological mechanisms.

本文依据长江河口滨岸潮滩大型底栖动物的自然分布特征，选取了两段典型的研究区域－崇明东部潮滩和浒浦岸段边滩，运用实验模拟和对比分析方法，定量地研究了大型底栖动物谭氏泥蟹和河蚬对潮滩生态系统中营养盐的界面扩散及其早期成岩变化的影响。

In addition, the regulations governing animal welfare, as well as the degree of enforcement of those regulations, varies from country to country. In some ways animals are in less industrialized countries have freer lives, just as for humans, can be far cruller in poorer parts of the world,.

就某方面而言，在工业化程度较低的国家，动物的生活是自由多了；但就另一方面而言，在世界上较贫穷的地方，不论是动物或人类，生与死亡的方式，也相对残忍多了。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。