percurrent

基本解釋

• adj.[植](葉脈等)到頂?shù)?/li>

同根派生

• percurrent相關(guān)詞

英漢例句

• Secondary veins are semicraspedodromous and form marginal loops, tertiary veins are percurrent, quaternary veins form orthogonal or polygonal areoles filled up by branched and freely ended veinlets.
  二級脈在葉緣內(nèi)分支，相互連接形成脈環(huán)，三級脈及頂型，脈間區(qū)內(nèi)充滿分支的自由結(jié)束的小細(xì)脈。
• major veins impressed, rarely flat adaxially, lateral veins 7-10 pairs, tertiary venation weakly percurrent.
  主脈凹陷，正麪很少平，側(cè)脈7-10對，支脈弱頂。
• percurrent proliferation
  及頂增殖

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