“梯状穿孔”的概念、定义、翻译、参考文献-科学参考

单词	梯状穿孔
释义	梯状穿孔 Encyclopedia 理学〔植物形态与结构〕释 scalariform perforation梯状穿孔穿孔板上具伸长而平行排列，其间由存留的端壁部分分隔成梯形的复穿孔。
随便看	convex convex algebra convex analysis convex angle convex arc convex body convex-body theorem convex broken line convex cell convex circled set convex closed curve convex closed set convex closure convex closure of a saddle function convex closure of a saddle-function convex closure of saddle function convex combination convex-compact mapping convex-complex space convex-concave convex concave function convex-concave function convex-concave mapping convex cone convex constraint condition

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