胚泡腔
- 与 胚泡腔 相关的网络例句 [注：此内容来源于网络，仅供参考]
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The simple pigment epithelial cell layer, the optic ventricle, the primitive neuroblastic layer and the peripheral fibrous layer were observed. The number of both the retinal layer and cellular layer increases in the 35 day old Giant panda.
发现胚后64小时龄大熊猫视网膜的分化程度很低，色素层已形成，但视泡腔明显；神经层由外面数层长梭形、内面数层圆形细胞核及无核的纤维层构成。35天龄大熊猫视网膜细胞层次增多。
- 推荐网络例句
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It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.
从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。
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The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.
集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐
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The eˉtiology of hemospermia is complicate,but almost of hemospermia are benign.
血精的原因很，以良性病变为主。