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- Pollen contamination and it's control in the management of forestry seed orchard 林木种子园花粉污染与防治措施
- There is a high pollen count in the air. 空气中有很高的花粉计数。
- pollen contamination 花粉污染
- 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。
- 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 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。
- Contamination can't be ruled out entirely. 污染是不能完全清除的。
- The brass surface must be free of contamination. 黄铜表面必须未经沾污。
- Such contamination has been extensively studied. 人们对这种污染进行了大量研究。
- Moral contamination or corruption. 腐蚀精神上被腐化或堕落
- The pollen is shed directly on the stigma. 花粉直接散落在柱头上。
- The contamination should be removed. 应该清除掉污染。
- Some people have an allergy to pollen. 一些人对花粉有过敏反应。
- An abnormal fear of dirt or contamination. 不洁恐怖对污物或污染的异常恐惧
- Nectar and pollen are very nutritious. 花蜜和花粉是很有营养的。
- No product contamination absolute tightness. 没有产品污染的绝对气密性。
- Pollinated by wind-dispersed pollen. 风媒传粉的通过风的飘散来传播花粉的