单词大孢子叶的汉英翻译


大孢子叶

[dà bāo zǐ yè]
    megasporophyll; macrosporophyll





megasporophyll [.mεgə'spɔrə.fɪl]
    大孢子叶



单词大孢子叶的英汉对照例句


报道苏铁植物大孢子叶化石一新属--中间苏铁属(mediocycasgen。nov。)
A new genus mediocycas gen.nov. of fossil cycad megasporophylls is reported.
石松和楔叶类只形成一种类型的球果,然而裸子植物既有雌性的大孢子叶球也有雄性的小孢子叶球。
In the clubmosses and horsetails only one type of strobilus is formed while in the gymnosperms female megastrobili and male microstrobili both develop.
心皮是由大孢子叶两边愈合进化而来的。
It has evolved by fusion of the two edges of the megasporophyll.

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