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首頁英語詞典tapetumtapetum實(shí)用場(chǎng)景例句

tapetum

英 [t?'pi?t?m]

實(shí)用場(chǎng)景例句

n. [脊椎] 毯；[昆] 反光組織；[解剖] 反光色素層；膜狀層（尤指照膜）

實(shí)用場(chǎng)景例句

Franco consists of three layers: the epidermis, the middle layer and the tapetum.: Franco]小孢子囊壁包括3層細(xì)胞: 表皮、中層和絨氈層.

The anther is tetrasporangiate and glandular tapetum.: 雄蕊花藥四室,腺質(zhì)絨氈層.

The middle layer and the tapetum cells are totally absorbed as nutrient at last.: 中層和絨氈層細(xì)胞最終作為營(yíng)養(yǎng)被全部吸收利用.

Male - sterility mainly results from the abnormality of mesospore, tapetum tissue and vascular bundle.: 中層組織、絨氈層組織及藥隔維管束異常均是雄性敗育的因素.

The tapetum begins to vary at the stage of tetrad with the cytoplasm anther cell.: 小孢子孢原為多細(xì)胞,小孢子母細(xì)胞減數(shù)分裂產(chǎn)生四面體型的小孢子四分體.

The development of anther wall belongs to the monocotyledonous type, and the tapetum is glander tapetum.: 花藥壁發(fā)育為單子葉型, 絨氈層為腺質(zhì)型.