The environmental and climatic fluctuation of the late Quaternary in the South China Sea was explored by analysing the distribution of Sonneratia pollen.
分析海桑属花粉在晚第四纪地层中的分布，对深入研究南海海区的物质来源、古环境和古气候等有着重要的意义。
The frequency distribution of characteristic value of the male cones and pollen is abnomal.
杉木雄球花及花粉特征值频率分布为偏态分布。
Pollen fertility was observed in two successive selfing generations on a two-line sterility line, Zao S, which proved that the pollen fertility in the population showed a normal distribution.
通过早S连续两个世代花粉染黑率的观测，证实群体育性呈正态分布。
Two new varieties of keng rice were obtained by means of pollen haploid plant breeding and have been put into-seeds propagation and distribution for practical production.
通过花粉单倍体育种已培育出二个粳稻新品种在生产上繁殖推广。
Results:A close correlation between airborne allergic pollen in distribution, density, change of season and respiratory allergical diseases has been found.
致敏花粉量最多的季节也是呼吸道变态反应发病最高的季节。
Results:A close correlation between airborne allergic pollen in distribution, density, change of season and respiratory allergical diseases has been found.
致敏花粉量最多的季节也是呼吸道变态反应发病最高的季节。
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