q=%E4%BA%A4%E7%9B%B4%E6%B5%81%E7%94%B5%E8%B7%AF%E5%9F%BA%E7%A1%80%EF%BC%9A%E7%B3%BB%E7%BB%9F%E6%96%B9%E6%B3%95%EF%BC%9Aa+systems+approach&searchType=standard&isFacet=true&view=standard&rows=10&sortWay=score&sortOrder=desc&curlibcode=GS&searchWay0=marc&logical0=AND
rows=10&curlibcode=GS&searchWay0=marc&logical0=AND
交直流电路基础：系统方法：a systems approach