您要查找的是不是:
- Some advances in molecular genetics of flower development werereviewed. The application of the genes controlling flower development was mainly discussed in the breeding of ornamental plants. 花发育分子遗传学的研究是花卉育种的重要基础之一,该文在简要回顾了当前花发育的分子遗传学的部分成就的基础上,对其在花卉育种,尤其是在花期育种中潜在的价值进行了展望.
- The question of whether the decrease in plant fecundity caused by the spraying of pesticides actually causes a decline in the overall population of flowering plant species still remains unanswered. 喷洒杀虫剂所造成的植物繁殖能力下降是否确实导致开花植物种类总体数量的减少的问题仍然没有答案。
- A condition, time, or period of flowering. 花期一种开花的状态、一段开花的时间或时期
- The nutritive tissue within seeds of flowering plants,surrounding and absorbed by the embryo. 胚乳开发植物种子内部的营养组织,围在胚胎周围并被胚胎吸收
- Many chemical substances are now applied to affect the growth of flowering plants. 现在应用很多化学物质来影响显花植物的生长。
- The life cycle of flowering plants may now be bridged at the level of free vegetative cells. 现在显花植物的“生活史”可以在游离营养细胞的水平上连结起来。
- The nutritive tissue within seeds of flowering plants, surrounding and absorbed by the embryo. 胚乳开发植物种子内部的营养组织,围在胚胎周围并被胚胎吸收
- Having one kind of flower on the same plant. 具有同性花的同一植物上有单种花的
- Dicotyledonae A class of flowering plants(phylum Angiophyta) characterized by having two cotyledons in the seed. 双子叶植物纲:显花植物的一个纲(隶属被子植物门),特征是在种子的胚内包含两片子叶。
- The brief selection of flowering plants listed here should help brighten the darker months. 从在此列举的开花植物中挑选出一些来,可以帮助照亮那些黑暗的岁月。
- Carpel The female reproductive organ of a flowering plant. 心皮:有花植物的雌性生殖器官。
- Autumn paints the valleys of Denali National Park in Alaska, home to more than 650 species of flowering plants. 意译:秋天在美国图片。秋季颜料在阿拉斯加的山谷德纳里峰国家公园,这里是超过650种开花植物。
- Family Solanaceae, composed of at least 2,400 species of flowering plants in about 95 genera. 由约95属、至少2,400种显花植物组成。
- Family Scrophulariaceae, containing about 4,000 species of flowering plants in 190 genera, found worldwide. 玄参目的一科,约190属,4,000馀种显花植物,广布世界。
- This article also gives arguments on the phenological observing methods of flowering plants, the adjustment of the colors of the floweing plants, the relativity of the plant disposing or arrangement. 本文还对观花植物的观测方法、花色判断以及植物配置的相对性等进行了讨论。
- He gave a bunch of flowers to his girlfriend. 他送给女友一束花。
- Indoing so, he hopes to solve what Darwin himself referred to as an“abominable mystery”: the evolutionary origin of flowering plants. 以求解决达尔文自己都认为恶心的问题:开花植物的进化起点。
- This species of flower flourishes in a warm climate. 这种花在温暖的气候中长得茂盛。
- A great variety of flowers were shown in the park. 公园里展出了很多品种的花。
- Today's plethora of beetle species were thought to have blossomed 140 million years ago, during the rise of flowering plants. 人们曾经认为当今世界过多的甲虫种类可能在1.;4亿年前就存在了,和有花植物同期生长。