English translation for "copepoda"
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- n.
〔pl.〕【动物;动物学】桡脚亚纲。
- Example Sentences:
| 1. | Water quality - biological methods - determination of acute lethal toxicity to marine copepods copepoda , crustacea 水质.生物法.海洋桡足亚纲动物桡足目,甲壳纲急性致命毒素的测定 | | 2. | From the p1 to p5 phases of this stage , the brine shrimp s larvae and zooplankton such as copepoda should be used as feed 通常p1至p5左右之后期幼虫,宜用丰年虾或期他桡脚之类的动物性浮游生物为饵料。 | | 3. | After molting three times , the zoea enter the mysis stage during which they begin to look more like adult shrimp and swim in a characteristic fashion with head and tail pointed downwards at right angles and occasionally performing a sudden retrograde jumping action . this is known as the inversion state , the fry being suspended upside - down in the upper middle region of the pond water . this is , therefore , also called the " inverted suspension phase " 眼幼虫脱第三次即进入糠虾期幼虫期mysis stage ,此期之体形已略成虾之状态,且具特有之游泳姿态,即头部及尾部均向下,成一直角弯曲而时作向后跳跃游动,又因成倒立状态,悬浮于水中的中上层,又叫倒吊期,此期幼虫对外界的环境因素,如水温盐分等变化,比前两期来得更具适应力,主要饵料为丰年虾brine shrimp的幼虫,但其他大小略同的动物性浮游生物,如桡脚类copepoda轮虫类rotifera均可。 | | 4. | The main feed at this time consists of brine shrimp larvae , oyster eggs and diatoms spiruline , skeletonema costatum . however other zooplankton such as copepoda and rotifera can also be used . during the mysis stage the bodies of the fry become larger and so are able to ingest the nauplii of the brine shrimp along with spirulina and 糠虾期幼虫个体较大,已能摄食丰年虾无节幼虫,拌用螺旋藻,虾苗丹喂饲,其存活率有意想不到的好,将螺旋藻与丰年虾无节幼虫,虾苗丹等配合一起喂饲,其存活率高的原因,在于丰年虾无节幼虫亦能摄食螺旋藻虾苗丹,可增加丰年虾无节幼虫的存活率,不仅能节省丰年虾外,又能避免水质恶化不需要常换水。 |
- Similar Words:
- "copenick" English translation, "copenodeoxycholic acid" English translation, "copeognatha" English translation, "copepod" English translation, "copepod larva" English translation, "copepodid" English translation, "copepodid larva" English translation, "copepodid stage" English translation, "copepodite, copepodid larva" English translation, "copepods" English translation
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