英语语法分析

The pollen morphology of 30 species and 4 genera of Tamaricaceae in China was investigated by means of LM and SEM, of which one species, Tamarix elongata was observed with TEM.

本文用光学显微镜和扫描电镜观察了分布于我国的4属30种柽柳科植物花粉形态。