查询词典 prothallus

In homosporous plants, there is only one type of prothallus with both male and female sex organs.

在具同形孢子的植物中，只有一种雌雄性器官兼备的原叶体类型。

D prothallus as storage tissue of the seed .

种子的营养组织是原叶体。。

In many gymnosperms the nuclei divide within the pollen grain to produce a small number of cells (2-40 depending on the group )representing the male prothallus.

在许多裸子植物中，细胞核在花粉粒中分裂以产生少量的细胞（2～40个，取决于不同种类），代表雄性原叶体。

The PROTHALLUS of Lycophyta, Sphenophyta, and Filicinophyta, which may be a green structure on the soil surface or a subterranean mycorrhizal structure, is the gametophyta.

石松门、楔叶门、真蕨门的原叶体是位于地表的绿色结构或是位于地下的菌根结构，这些结构便是蕨类植物的配子体。

Trichomes occurred in prothallus stage.

毛状体在原叶体阶段出现。

Tea mountain tea industry are based in Hangzhou, Zhejiang University Department of tea, Chinese tea industry, scientific research, such as technical support, set up in Hangzhou the most modern production plant tea industry, has developed the first of the "2g / BAG" prothallus Nitrogen Automatic tea packing machine.

您好！山地茶业立足茶都杭州，以浙江大学茶学系、中国茶业科学研究所等为技术支持，建立了杭州最现代化的茶业生产工厂，开发了国内第一的"2g/袋"原叶茶全自动充氮包装机。

The fern spore, the original cell of the gametophyte, carries out asymmetrical mitosis to produce a large cell and a small cell. The small cell geminates to a rhizoid by tip growth, and the large cell further divides and develops to become a prothallus.

蕨类植物孢子作为配子体的原始细胞，通过不对称的有丝分裂产生一大一小两个细胞，小细胞萌发出极性生长的假根，大细胞继续分裂发育为原叶体。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。