幼虫的

Japonica forewing and the C isotope values reflect the situation of larvae feeding period.

龟纹瓢虫前翅的C同位素值能够反映幼虫期间的取食情况，通过测算同位素值，分析结果即可了解景观格局对龟纹瓢虫幼虫期的取食影响。

Methods:To select the nature habitant of mosquito larva density,to spray the pesticides to the water.

选择野外具有一定蚊幼虫和蛹密度的滋生场所，采用液体喷雾方法，水面喷雾施药，观察蚊幼虫和蛹的下降率；同时观察水生植物和鱼类的死亡等影响因素。

Lacewing larvae are cannibalistic, so females lay their eggs at the end of filaments the size of human hairs, keeping them out of reach of one another when they hatch.

由于草蜻蛉的幼虫同类相食，所以雌蛉将卵产在头发般粗细的丝的末端，这样幼虫孵化出来后就够不着对方，以免互相蚕食。

In addition,three types of larvae in this subfamily are proposed and the phylogenetic implications of this classification discussed.

另外，对叶甲亚科的幼虫形态进行了描述，总结出了叶甲亚科的3种幼虫类型，并对该亚科的演化进行了初步探讨。

For instance, research this year indicates that larvae of the monarch butterfly exposed to the genetically modified corn ''behave differently than other larvae.

比如，今年的一项研究表明在转基因谷类中生长的黑脉金斑蝶的幼虫"和其他幼虫表现不一样。"

Research in Hawaii has show that dose s of 1,000 Gy or more may be required to prevent hatch of irradiated eggs, molting of treated larvae to the next instar or pupation of treated mature larvae.

夏威夷的研究表明，阻止辐照过的卵孵化、被处理幼虫蜕皮进入下一龄期或被处理老熟幼虫化蛹，可能需要1000居里或更高的剂量。

Research in Hawaii has show that doses of 1,000 Gy or more may be required to prevent hatch of irradiated eggs, molting of treated larvae to the next instar or pupation of treated mature larvae.

夏威夷的研究表明，阻止辐照过的卵孵化、被处理幼虫蜕皮进入下一龄期或被处理老熟幼虫化蛹，可能需要1000居里或更高的剂量。

Research in Hawaii has show that doses of 1,000 Gy or more may be required to prevent hatch of irradiated eggs, molting of treated larva e to the next instar or pupation of treated mature larva e.

夏威夷的研究表明，阻止辐照过的卵孵化、被处理幼虫蜕皮进入下一龄期或被处理老熟幼虫化蛹，可能需要1000居里或更高的剂量。

The larval stage of many tapeworms, consisting of a single invaginated scolex enclosed in a fluid-filled cyst.

囊尾幼虫许多绦虫的幼虫时期，由在充满液体的囊中单个的肠套头结构成

The results showed that either higher or lower parasitic density of glochidia, either longer or shorter parasitic time, the quantity of glochidia infested on yellow catfish and grass carp was obviously higher than that on silver carp, bighead and crucian carp.

选用黄颡鱼、草鱼、鲢、鳙和鲫作为三角帆蚌的寄主鱼，分析了寄苗悬液钩介幼虫密度和寄苗时间对5种鱼初始寄苗量的影响，并对寄生在这5种鱼上的钩介幼虫发育情况进行了观察。

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。