單詞用法
1.N the outermost coat of a pollen grain or a spore (花粉粒或孢子)外壁 [botany] → compare intine
短語搭配
exine extine 外膜
exine sculpture 外壁紋飾
exine evolution 紋飾演化
exine e 外壁
Pollen exine 花粉外壁
exine exine 外膜
exine ornamentation 外壁紋飾
l exine 外壁
exine ultrastructure 外壁超微結構
雙語例句
Alveolae of the proximal exine are smaller and less regular in form than those at equatorial region.
近極區的穴較之赤道區的要小且形狀較不規則。
Except for some differences in exine ornamentation and pollen size, there is no great evolutionary divergence among genera in pollen morphology.
總體來講,花粉沒有大的演化分異,只是表面紋飾和花粉大小有一定的差異。
Method: Pollen exine ultrastructure were compared for 18 populations growing under in the same environment by means of scanning electron microscope (SEM).
方法:藉助掃描電鏡對栽培在同一生境下的18個半夏居群的花粉形態、大小及表面紋飾等特徵進行觀測比較。