查询词典 eusporangiate

In eusporangiate ferns, the sporangia are thick-walled and develop from a number of cells.

在厚囊蕨中，孢子囊壁厚，由多个细胞发育而来。

Archangiopteris somai is an endemic eusporangiate fern in Taiwan.

台湾原始观音座莲是一台湾产特有的厚囊蕨类。

Filicinophyta The largest phylum of spore-bearing vascular plants comprising the ferns and including about 12000 species. It is divided into two main groups, the LEPTOSPORANGIATE ferns and the EUSPORANGIATE ferns.

真蕨门：是有孢子维管植物中最大的一个门，包含真蕨类，约12，000余种，主要分为薄囊蕨和厚囊蕨两种。

There are also a number of fossil genera, leptosporangiate ferns dating back to the Cretaceous era, eusporangiate ferns to the Devonian.

有化石证据表明，薄囊蕨从白垩纪时就有，而厚囊蕨可追溯到泥盆纪。

Eusporangiate Describing the condition, found in clubmosses, horsetails, and certain ferns in which the sporangia develop from a group of initial cells and do not have an elaborate spore dispersal mechanism.

厚囊蕨：用来描述发现于石松纲、木贼类以及一些蕨类植物，其孢子囊由一组原始细胞发育而来，没有复杂的孢子散布机制。

Eusporangiate ferns include the adderstongues, Marattiales, and royal ferns, which are to some extent intermediate between leptosporangiate and eusporangiate ferns.

厚囊蕨包括蛇舌蕨(箭蕨 ophioglossales)，莲座蕨目以及在某种程度上介于薄囊蕨和厚囊蕨之间的皇家蕨（紫萁目 osmundales ）。

Eusporangiate ferns of the families Ophioglossaceae and Marattiaceae.

属于瓶尔小草科和合囊蕨科的厚囊蕨。

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。

Compare eusporangiate.

比较 eusporangiate。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。