因为它们对经济作物的极大危害引起了很多国家和科学界的重视，滤过性微生物学就是研究植物病毒的学科。

This group of diseases, because of their economic importance has received due attention in many countries and science of virology has been established.

youdao

因为它们对经济作物的极大危害引起了很多国家和科学界的重视，滤过性微生物学就是研究植物病毒的学科。

This group of diseases, because of their economic importance has received due attention in many countries and science of virology has been established.

youdao