从中随机选取50个菌株进行菌丝细胞核染色，结果显示，水稻纹枯病菌菌丝的细胞核数目介于7 ~13个。

The hyphal cell nuclear Numbers of the 50 randomly selected isolates were between 7 and 13.

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从中随机选取50个菌株进行菌丝细胞核染色，结果显示，水稻纹枯病菌菌丝的细胞核数目介于7 ~13个。

The hyphal cell nuclear Numbers of the 50 randomly selected isolates were between 7 and 13.

youdao