叶切面最大厚度计算是螺旋曲面加工准备过程中必要的环节。
The computation of maximum thickness of the section of blades is necessary for preparing for manufacturing of the screw surface.
结果荷莲豆茎横切面及叶表皮细胞有明显的显微特征。
Results There are obvious microscopic characteristics to identify on the transverse section of the stem and leaf epidermis of Drymaria cordata.
秆表皮的横切面观和表面观均与叶的下表皮相似。
The epidermis of culm is identical to the abaxial surface of leaf blades both in transverse section and in surface view.
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