英语语法分析

The pinaceae also is a quite ancient branch.

松科也是一个相当古老的科。

The problem of utilization of pinaceae plant, and action mechanism of material derived from pinaceae plant were discussed.

本文论述了松科植物资源的利用现状、存在问题及其提取物的作用机理。

Population differentiation coefficients from different markers in PA varied greatly and the mean differentiation level among populations in PA was higher than other species in Pinaceae.

不同标记的云杉群体分化系数差异较大，与松科其他树种相比，云杉的平均分化水平偏高。