Modern pollen distribution 表土孢粉分布
pollen distribution in space 花粉空间分布
pollen and spore distribution 孢粉分布
distribution of pollen 花粉散落分布
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。
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