所谓“即时聊天工具”,简单来说就是两人同时在线时可以互相传递信息的互联网应用软件,跟E-mail可以“先发而后看”的特点不同,它们的局限性是必须通信双方同时在线,这也正是它们被广泛应用的一个最主要原因……什么?没听懂?不会吧#$@%&……那我就通俗一点说吧,“QQ”用过吗?它是 The so-called “real-time chatting tool” is simply an Internet application that can transmit information to each other when they are online at the same time. Different from the characteristics that E-mail can be “first-come, first-seen”, the limitation is that both parties must be online at the same time , Which is why they are widely used one of the most important reason ... what? Did not understand? Will not # $ @% & ... Then I would like to talk about it, “QQ” used? It is