垃圾邮件杀手:Spammer Slammer还是Spam Exterminator?

随着互联网的广泛使用,电子邮件也随之成为最快捷、最先进的通信工具.然而,就在你沉浸于科技进步的喜悦时,烦恼也开始不断向你袭来,那就是垃圾邮件.这些垃圾邮件大都是令人生厌的广告,最让人不能忍受的是,有些广告中含有大量的图片,一个文件有时可达1M以上.如果你的上网费用是按流量来计的话,遇上这样的事,更是叫苦不迭了.不仅如此,垃圾邮件还消耗着互联网有限的带宽,人为造成为企业或ISP的邮件服务器负荷加重;甚至导致网络交通拥挤不堪.

THE BOUNDED EXTERMINATION AND STABILITY OF MUTUAL INTERFERENCE SYSTEM OF FOUR－DIMENSIONAL SPECIES

This paper considers a typical mutual interference system of four-dimensionalspecies, its bounded, extermination stability are studied, and their necessary-sufficientcondition are given, and their ecology meaning set forth.