subject directory造句

• 1、This article makes introduction and discussion on sear ch tools, which involves search engine,subject directory meta search engine, gopher .(本文對因特網(wǎng)搜索工具進行了介紹和探討，涉及到機器人搜索引擎、主題目錄、元搜索引擎、瀏覽器等。) Hao86.com