triarch

基本解释

• 三原型

同根派生

英汉例句

• The adventitious root is triarch,and has the secondary structure.
  不定根为三原型，具次生结构。
• Root which was diach, triarch and tetrarch was comprised of epidermis, cortex and stele.
  根为二、三和四原型，由表皮、皮层和中柱3部分组成；
• 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；