Pollen grains and spores are important index to reconstruct paleoclimate and paleoenvironment.
孢粉是恢复古植被、古气候的重要代用指标。
2
The results showed that the quantitative analysis of computer is helpful for quick measuring index of pollen's shapes, this is effective method for numerical taxonomy of pollen.
结果表明：花粉计算机量化分析有助于快速定量测定有关花粉形态指标，是花粉数量分类的一种有效方法。
3
Through the study of 1200 flowers of 400 young ear of 49 combinations, a concrete index judging the period of the pollen development according to the shape of plant and flowers was put forward;