关于stubs是怎样的走线? * \9 W# M" O/ _3 I4 G, k2 P• Avoid stubs on high-speed USB signals, as stubs will cause signal reflections and $ j! A7 v5 Z% f9 v: Qaffect signal quality. If a stub is unavoidable in the design, the total of all the stubs / f2 i. O3 f. X- xon a particular line should not be greater than 200 mils. ) Q. f4 @2 a X# E1 o请翻译,谢谢!