查询词典 pollen

I ' m allergic to cedar pollen.

我对杉树粉过敏。

It plays a key role in the process of cell division, cell movement, pollen tube elongation and so on.

ADF蛋白是一种在真核生物中广泛存在的低分子量的肌动蛋白结合蛋白，在细胞分裂、细胞运动、花粉管伸长等重要的生命活动中发挥着重要的作用。

Chalazogamy A method of fertilization in angiosperms in which the pollen tube enters the ovule by the chalaza instead of through the micropyle, penetrating the placenta en route.

合点受精：被子植物的一种受精方式，花粉管是通过合点部分而不是通过珠孔进入胚珠的。

When flower bud was highly mature, the chapiter had strong abilities to identify pollen and the inhibition capability of serf incompatibility was also strong and vice versa.

成熟度高的花蕾，柱头识别花粉的能力强，自交不亲和的抑制能力也强；反之亦然。

Tumefaciens mediated transformation using cotyledonary node as explants was optimized; 3 methods including cutting chapiter, ovary injection and chapiter spreading for pollen tube pathway was compared. Cutting chapiter and ovary injection can both achieve insect resistant gene tranformants.

优化了以子叶节为外植体的农杆菌介导转化技术；比较了切割柱头、子房注射和子房涂抹3种花粉管通道法处理授粉后黄瓜子房的转化效果，切割柱头和子房注射均可成功获得黄瓜抗虫转基因植株。

The chartreuse circle three inches in diameter is dotted with 23 seed holders and ringed by immature pollen sacs.

那直径达三英尺的黄绿色的花芯上点缀着二十三粒花籽，并被未成熟的花粉囊包围着。

Pollen as the target for gene transfer is a potential plant transformation system which can avoid the problens of somaclonal variation and chimaera resulting from in vitro regeneration.

以花粉作为外源DNA的媒介，获得转基因植株是有潜力的遗传转化体系。它可避免离体培养过程中的遗传变异和转基因植株的嵌合现象。

A honeybee forages for pollen among cineraria flowers in Alpes-Maritimes in southeastern France.

一只蜜蜂为牧草花粉中的菊花卉在阿尔卑斯滨海省，在法国东南部的。

A honeybee forages for pollen among cineraria flowers in Alpes-Maritimes in southeastern France. Alpes-Maritimes is home to Grasse, a flower-strewn medieval town known for the past two centuries as the perfume capital of France.

意译：一只蜜蜂为植物传受花粉正在菊花之上，这是位于法国东南的阿尔卑斯山，一种菊花点缀那中世纪的小镇而闻名于过去两个世纪，就像今天的法国的首都巴黎的香水那样出名。

The approaches for decreasing the gene flow include chloroplast transformation, pollen sterility, seed sterility, cleistogamy, apomixis, temporal control, and transgenic mitigation.

目前降低外源基因扩散的方法主要有叶绿体转化、花粉不育、种子不育、闭花受精、无融合生殖、暂时性控制及转基因缓和等。

This paper designs the communication system of radio telescope FAST.

针对500m口径球面射电望远镜FAST分布式控制系统的特点完成了其通信系统的设计。

Political sheep's step-by-step a large number of fossils unearthed in the county soil Ma Ali after rural village in the middle of sallow pelitic siltstone.

步氏和政羊化石大量出土于广河县阿力麻土乡后山村，产于灰黄色泥质粉砂岩中。