As for the pollen, Sugden says it has never been accurately dated and may come from a much earlier clement period.
至于花粉，萨格登说从未有人精确地测定过它的年代，也许它是源于更早的温和时期。
These industrious little insects are the world's greatest pollinators, carrying a dusting of pollen from flower to flower as they gather nectar for their hives.
这些勤劳的小昆虫是世界上最大的授粉者，在它们为蜂巢收集花蜜的过程中，带着花粉尘掠过一个又一个花朵。
The National Allergy Bureau recognizes Children's Mercy Hospital as a certified counting station for pollen and mold.
国家过敏局认识到作为一个合格的花粉和霉菌计数站的儿童慈善医院。
For the large Numbers of pollen grains produced by wind-pollinated plants as compared to insect-pollinated plants, see Cruden, R. W. 2000.
有关风媒传粉的植物花粉粒数量大于虫媒传粉植物的数据，见Cruden,r . W . 2000。
Self_incompatibility in Brassica is controlled by a single multiallelic locus (designated as S locus) that is responsible for pollen recognition on the stigma surface.
芸薹属植物自交不亲和性受单一位点的复等位基因控制，此位点命名为S位点。它决定柱头表面花粉识别的专一性。
As for how to build their nests with pollen will not see, and we can not research the current condition of the!
至于怎么用花粉来筑巢就看不到了，我们现有的条件也无法考证了！
The results are as follows: the pollen morphology is characteristic of Spiraea L. in support of the genus and each class of the under genus for classic Taxonomic.
研究结果表明，绣线菊属花粉的亚显微形态特征支持传统的属级和种级水平的分类。
Self_incompatibility in Brassica is controlled by a single multiallelic locus (designated as S locus) that is responsible for pollen recognition on the stigma surface.
芸苔属植物自交不亲和性受单一位点的复等位基因控制，此位点命名为S位点。
The abrupt changes in spore-pollen species and in the content of reduction sulfur are sensitive to water depth, and can be used as indicators for sequence boundaries and system tracts.
孢粉种属突变以及还原硫含量变化对水体深度比较敏感，是划分深水环境层序边界以及体系域的良好指标。
The abrupt changes in spore-pollen species and in the content of reduction sulfur are sensitive to water depth, and can be used as indicators for sequence boundaries and system tracts.
孢粉种属突变以及还原硫含量变化对水体深度比较敏感，是划分深水环境层序边界以及体系域的良好指标。
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