並前往https://books.google.com.tw/books?id=58qPDwAAQBAJ&pg=PT63&lpg=PT63&dq=adsl%E5%85%89%E4%B8%96%E4%BB%A3%E5%B7%AE%E5%88%A5&source=bl&ots=htr9ONqUwV&sig=ACfU3U3EqRSi6xbPX7hv5K_fKgSbyrlnUw&hl=zh-TW&sa=X&ved=2ahUKEwizkczT3un-AhWOZ8AKHQekAJMQ6AF6BAhZEAM