藏卵器
- 与 藏卵器 相关的网络例句 [注:此内容来源于网络,仅供参考]
-
Botany of or relating to an archegonium.
属于或与植物藏卵器有关。
-
A minute rudimentary plant contained within a seed or an archegonium.
包含在种子或藏卵器中的一种微小的未生长的植物。
-
They may represent what remains of the archegonium in angiosperms and the pollen tube may penetrate a synergid first, but they do not participate in the fertilization process and abort soon afterwards.
它们扮演了残留的被子植物藏卵器的角色。花粉管可首先穿透其中一个助细胞,但助细胞并不参与到受精过程中去,而且随后会消亡。
-
After 13 months culture, sporophytes began to form. Each gametophyte had several archegonia, and only one sporophyte was produced per gametophyte. The first sporophyte frond was simple and had pinnate venation.
抱子体在经13个月的培养后开始产生,每个配子体虽然有许多的藏卵器,但只产生一株孢子体,第一片孢子体的叶片为单叶羽状脉。
-
Antheridia occurred in the cushion on the dorsal and ventral surfaces of gametophytes while archegonia were observed on the ventral surface only. On hermaphroditic gametophytes, antheridia and archegonia were usually intermingled. Both types of gametangia were eusporangiate.
藏精器与藏卵器分别在孢子洒播10及12月后发生;藏精器长在中肋的背面及腹面,藏卵器只在腹面发生;两性配子体的藏精器与藏卵器混生一起,两者均属厚囊蕨型。
- 推荐网络例句
-
On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.
另一方面,更重要的是由于城市住房是一种异质性产品。
-
Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.
气候直方图是将所收集的降水量测定值,分为几个相等的区间作为横轴,并将各区间内所测定值依所出现的次数累积而成的面积,用柱子排起来的图形,也叫做柱状图。
-
You rap, you know we are not so good at rapping, huh?
你唱吧,你也知道我们并不那么擅长说唱,对吧?