The competition of standard has become the highest point of the industry technology competition, who mastered the industry technology standards would mean controlling the decisive forces of competition. Industrial technology standards are public goods, charactered with intermediary, path dependence and monopoly. On the a-nalysis of the power system of industry technical standards, It's found that market demand, technological innova-tion, technology standards of network effects and mandatory power are the determine power to win. Industry stand-ard technology is constantly changing, but also experiencing four stages regular change cycle of born, growth, ma-turity and decline. Due to the different pace of technological innovation and the degree of market acceptance, dif-ferent technological standards in the industry to maintain at different stage of time.%标准的竞争已经成为产业技术竞争的至高点，谁掌握了产业技术标准就意味着掌控了竞争的决定性力量。产业技术标准具有公共物品属性、中介性、路径依赖性和垄断性特征。对产业技术标准动力系统进行分析发现，市场需求劳动、技术创新、技术标准的网络效应和强制性力量是决定技术标准胜出的主要力量。产业技术标准也是不断变化的，也经历着产生、成长、成熟和衰落四个阶段性规律性的变化周期。由于技术创新发展速度和市场接纳程度的不同，不同产业技术标准在每一个阶段维持的时间不同。
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