The paper discusses the phenomena of the attack by ARP virus and its working principles, proposes testing and treating ways and introduces some currently popular defending methods.

文章讨论了ARP病毒的故障现象和作用原理，给出了用户自检和处理的方法，并介绍了目前比较流行的防御策略。

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The purpose of this paper is to analyses the structure, working principle and common troubles of twin cone lock ring synchronizer and to study the control methods and trouble shooting ways.

对汽车锁环式双锥面同步器的结构、工作原理、常见故障类型进行分析研究，找出发生故障的原因，然后提出解决和控制的方法。

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The ever-changing modern information technology is affecting and changing our learning styles, working methods, lifestyles and ways of thinking, also poses a serious challenge to education.

日新月异的现代信息技术正在影响和改变着我们现有的学习方式、工作方式、生活方式和思维方式，并向教育提出了严峻的挑战。

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Since October, a team of Federal Agencies and Departments, led by DOE, has been working hard to refine methods for measuring energy performance and ways to communicate this information effectively to consumers.

WHITEHOUSE: Rating Home Energy Performance

From that point on, advantaged 21 players found better and better methods of working the casinos in ways only dreamed of when Dr. Thorp first cracked open the cookie jar.

FORBES: When Blackjack Smarts Come to Wall Street