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lwm LWM =low water mark 低潮標記。

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Orderly windows method ( owm ) and loop windows method ( lwm ) are compared in this thesis , and the latter is chosen because of its wide applicability for multiple text documentation such as word and successfully solving the problem of shutting - down intermediate command windows 并對兩種編程方法:順序窗口法和循環窗口法做了可行性論證和比較。循環窗口法的編程更簡單易行,不但能適用單文檔的文本,更能適用于多文本的文件(如word ) ,而且解決了在程序開始如何關閉中間窗口的問題。