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- STUDY ON THE POLLEN DENSITY IN THE SEED ORCHARD OF KOREAN PINE 红松种子园花粉密度的研究
- 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。
- pollen density 花粉密度
- The density of population in this city is very high. 这个城市的人口密度非常高。
- 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
- 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。
- The area had a population density of five people per square mile. 该地区人口密度为每平方英里五人。
- 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。
- The density goes down exponentially with height. 分子密度随着高度的上升而指数衰减。
- The population density is evened out. 种群密度亦趋于均匀化。
- 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。
- Density exceeded 100 nests per mile. 丝巢密度超过每英里100巢。
- Pollinated by wind-dispersed pollen. 风媒传粉的通过风的飘散来传播花粉的
- Do you know the density of population in this area? 你知道这个地区的人口密度吗?
- This wave of excess density is sound. 这种过剩密度的波就是声波。