The Walsh function system is a complete orthogonal system, it constructs the Abelian group. Hence, both the differential equation and the integral equation could be solved by using the Walsh function.是什么意思_The Walsh function system is a complete orthogonal system, it constructs the Abelian group. Hence, both the differential equation and the integral equation could be solved by using the Walsh function.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句