有奖纠错
| 划词

The ovary was trilocular with axile placentation and the ovule was anatropous, biteguminous and crassinucellate.

3轴胎座。胚珠倒生,双珠被,厚珠心型。

评价该例句:好评差评指正

The ovule is bitegminous and tenuinucellate.The archesporial cell locates under the nucellus epidermis, which develops into fuctional megasporocyte.

孢原细胞位于珠心表皮之下,直接起大孢子母细胞的功能。

评价该例句:好评差评指正

Simple ovary, the placentation is brink.The ovules are campylotropous.The ovule is bitegmic and crassinucellate.The megaspore archesporium is initiated from sub-epidermis of nucellus.

摘要矮沙青子单心皮1,边缘胎座,弯生胚珠,胚珠具双珠被、厚珠心

评价该例句:好评差评指正

Vacuoles in the synergids tended to concentrate mainly in the chalazal region.There was a peak period of lipid formation in the two synergids.

三是助细胞与珠心相接胚囊壁有些部位出明显的突起,个别突起内有大型嗜锇体。

评价该例句:好评差评指正

Utricles convex on both sides; rostra nearly equal to length of kernel; seed free from pericarp; leaves and bracts acicular to spinulose at apex.

胞果凸的两面;喙差不多等于珠心的长度;种子离生的果皮;对具微刺的在先端针状的叶和苞片。

评价该例句:好评差评指正

用户正在搜索


in the lead, in the least, in the light of, in the long run, in the main, in the mass, in the meantime, in the middle, in the middle of, in the midst of,

相似单词


3G, 401(K), a,

声明:以上例句、词性分类均由互联网资源自动生成,部分未经过人工审核,其表达内容亦不代表本软件的观点;若发现问题,欢迎向我们指正。

  • 微信二维码

    关注我们的微信

  • 手机客户端二维码

    下载手机客户端

赞助商链接