• The megasporogenesis, microsporogenesis, female and male gametophyte development, development of embryo and endosperm were observed by using paraffin wax.

    利用石蜡切片技术观察埃及白睡莲大、小孢子的发生,配子体发育,受精作用以及胚乳的发育。

    youdao

  • The megasporogenesis and microsporogenesis and the development of their female and male gametophyte are partially abnormal.

    叶厚朴大、小孢子发生配子体发育过程存在部分败育现象。

    youdao

  • The megasporogenesis and microsporogenesis and the development of their female and male gametophyte are partially abnormal.

    叶厚朴大、小孢子发生配子体发育过程存在部分败育现象。

    youdao

$firstVoiceSent
- 来自原声例句
小调查
请问您想要如何调整此模块?

感谢您的反馈,我们会尽快进行适当修改!
进来说说原因吧 确定
小调查
请问您想要如何调整此模块?

感谢您的反馈,我们会尽快进行适当修改!
进来说说原因吧 确定