sexine

常見例句

• There is some space between sexine and nexine.
  外層電子密度相對較小，內(nèi)層電子密度相對較大；
• The exine of pollen wall is of different electron density, the nexine dense and the sexine, comprising tectum, bacules, and foot layer, relatively thin.
  花粉壁的外壁分爲(wèi)外層和內(nèi)層，外層包括覆蓋層、基粒棒和基足層等三層，內(nèi)層衹包含一層。
• the sexine and nexine are separated and form remarkable vestibulum.Uunder the optical sect ion view, nexine thickens in the apertural region.
  光學(xué)顯微鏡下，4-5孔，孔的結(jié)搆特殊，內(nèi)、外層到孔邊分離，形成顯著的孔室。
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