巴特勒振荡器

butler

Peronospora javanica Palm; Sclerospora maydis (Racibor-ski) Butler

butler finish【冶】

Rhizoctonia bataticola (Taubenhaus) Butler; Macrophonsina phaseoli (Mau-blacn)Ashby

Helminthosporium sacchari(Breda de Hean)Butler

Butler oscillator

Butler-Born approximation【核】

Guignardia camelliae (Cke.)Butler