推送技术是指通过客户端与服务器端建立长链接，客户端可以接收由服务器端不定时发送的消息。
Ajax应用程序可充分利用这一点，模拟实时服务器推送技术。
Ajax applications can make full use of that to simulate a real-time server-push feature.
结论医学信息中心利用信息推送技术能及时快捷地为基层医学科研服务。
Conclusion: medical information centre could provide primary medical research services quickly and timely using the information push technology.
推送技术的本质在于让信息主动的去寻找用户，因此其优势在于信息的主动性。
The essence of push is to let the information find user. The advantage of push lies in its initiative.
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