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- Reconstruction of paleovegetation should be based on an adequate knowledge of pollen source area, pollen dispersal and its dynamics. 摘要正确认识花粉源区、花粉传播及其动力,是用花粉重建古植被的基础。
- Effects of different pollen sources on fruit-set and seed size in Guiwei Litchi 不同荔枝花粉源对桂味坐果及种子大小的影响
- There is a high pollen count in the air. 空气中有很高的花粉计数。
- Stamen is in the middle of a flower and may produce pollen. 雄蕊长在花的中央,能产生花粉。
- He cited many sources for his book. 他在书中引用了许多资料。
- The library has quantities of reference sources. 该图书馆藏有大量可供参考的原始资料。
- The facts were culled from various sources. 这些事实是从各方收集到的。
- A microscopic fossil, as of a pollen grain or unicellular organism. 微体化石一种微小的化石,如花粉粒或单细胞有机体的化石
- Some of his ideas were borrowed from other sources. 他的某些见解是从别处借用来的。
- The workers have little pollen baskets on their legs. 工蜂脚上有装花粉的小"篮子"。
- Anther is a part of a flower that contains the pollen. 花药是花的雄蕊上带花粉的部分。
- I hope man will soon succeed in tapping these new energy sources. 我希望人类在开发这些新能源方面很快获得成功。
- The innermost wall of a spore or pollen grain. 内壁孢子或花粉粒最深处的壁
- Pollen sterile blossoms lack normal turgor. 花粉不育的花朵缺乏正常的膨压现象。
- He scratched up a football team from various sources. 他从各方面找人拼凑成一支足球队。
- The act of obtaining usable substances from unusable sources. 废物利用从无用的东西中获取有用物质的行为
- The pollen is shed directly on the stigma. 花粉直接散落在柱头上。
- Some people have an allergy to pollen. 一些人对花粉有过敏反应。
- Nectar and pollen are very nutritious. 花蜜和花粉是很有营养的。
- They are required to publish the sources of their campaign funds. 他们必须公布自己竞选经费的来源。