求翻译：摘　要：目前，病毒已成为困扰计算机系统安全和网络发展的重要问题。掌握了计算机病毒的基本知识，一旦遇到计算机病毒就不会束手无策。本文通过对计算机病毒的概念、传播途径、感染后的症状等的介绍，使读者对其有一个理性的认识，并在此基础上提出了一些有效的防范措施，以期能最大限度地减少计算机病毒所带来的危害。是什么意思？

Summary: at present, the virus has become the important problem besetting the computer system security and network development. Mastered the basics of computer virus, in the event of a computer virus will not be at its wits ' end. This paper on the concept of computer virus symptoms, transmission, i

Summary: at present, the virus has become the important problem besetting the computer system security and network development. Mastered the basics of computer virus, in the event of a computer virus will not be at its wits ' end. This paper on the concept of computer virus symptoms, transmission, i