?? ??????????????????????????????^?????????????????????????????????????????????????????λ?????????????????б??????????????????????????????????
??? Burdock mosaic virus???????????????????????????????20???壬????????С30nm?????????50??60?棬????????24С???
???????????????? ?????????????????????(Macrosiphum gobonis)???з???????????????????????????????????????С???????
???η???
1???????????棬????????10????????(?????)???????1500?????50??????????????????2000?????????????棬??? ??ò??????
2????????????????5????????????????20???????????????500???????7??10????Σ?????????2??3?Ρ??????5?????????