这种结构上的差异与种的特异性及其生存环境密切相关，卵壳的结构差异是鸟类对环境的一种适应。
The different structures are related with specific difference and living environment. And it is also the accustomization for environment.
结论丙烯基硫脲可抑制酚氧化酶活性而对钉螺、螺卵的成活及其产卵量、卵壳的形成、孵化率均有影响。
It is concluded that acryl thiourea effects not only snail eggs, but also their rates of egg-laying, its egg shell and the rate of breeding.
然而，一些卵壳中会出现反向螺旋的蜗牛，多数情况下是在左旋卵壳中，右旋的出生率惊人地高。
However, some broods possess a few snails of the opposing hand, and in predominantly sinistral broods, the incidence of dextrality is surprisingly high.
一个星期天的早晨，暖暖的太阳升起来了——啪！——从卵壳里钻出一条又瘦又饿的毛毛虫。
One Sunday morning, the warm sun came up and-pop! -out of the egg came a tiny and very hungry caterpillar.
指对医学软体动物卵的描述，包括卵的形状、大小、颜色、卵壳及其他特征。
Description of the medical mollusc egg, including egg shape, size, colour, egg shell.
从卵壳里钻出一条又瘦又饿的毛毛虫。
能够看到小家伙从卵壳中出来是很绝妙的事，不是吗？
It's wonderful to see a little thing come out from the egg shell, isn't it?
水生的，石蚕蛾的蠕虫状幼虫，包在被沙粒、卵壳碎片以及其它碎片盖住的柱形盒内。
The aquatic, wormlike larva of the caddis fly, enclosed in a cylindrical case covered with grains of sand, fragments of shell, and other debris.
冰冻切片的抗原也在第四周开始出现，定位在卵黄膜及卵壳上。
In the cryostat section, the antigens also appeared at the fourth week, they were localized on vitelline membrane and egg shell.
断面差异主要与卵壳中层的构造不同有关。
The differences of the section structure related to the structure of the middle layer of egg shell.
此外，妊娠的雌性需要更多的钙，来帮助形成卵壳。
In addition, gravid females need more calcium, which is used to build the shells of the eggs.
此外，妊娠的雌性需要更多的钙，来帮助形成卵壳。
In addition, gravid females need more calcium, which is used to build the shells of the eggs.
应用推荐