Methods:High quality lima beans were selected and budded.The roots were collected and observation of the change of the rate of their microkernel occurrence was made via negative and positive contrast.是什么意思_Methods:High quality lima beans were selected and budded.The roots were collected and observation of the change of the rate of their microkernel occurrence was made via negative and positive contrast.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句