例句 /

The structure of leaf epidermis was studied with scanning electronic microscope (SEM) in 3 cultivars of litchi and longan respectively.

The structure of leaf epidermis was studied with scanning electronic microscope (SEM) in 3 cultivars of litchi and longan respectively.

用扫描电镜观察了荔枝、龙眼各3个品种的叶表皮。