用叶脉维管束代替根部维管束进行致病性测定的翻译：Replaced by veins vascular roots of vascular pathogenicity 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

Vein instead of the root vascular bundle with pathogenicity determination for

Replaced by veins vascular roots of vascular pathogenicity

Replaces root Bundle with leaf vein Bundle to carry on the pathogenic determination

false

Replaced by veins vascular roots of vascular pathogenicity