diarch
美['daɪɑːk] 英['daɪɑːk]
adj. [植]二极型的
sp. 二原型的.
例句
- The primary meristem consisted of calyptrogen, primordial epidermis, periblem and plerome, while the primary structure consisted of epidermid, cortex and central cylinder.Primary xylem is diarch. 原分生组织来源于胚根，由3群原始细胞组成，具有典型分生组织的细胞学特征；
- The results showed that the primary xylem of the root is diarch, triarch and tetrarchy; 结果表明：根的初生木质部为二原型、三原型和四原型；
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