The main content of IEC1131 3 standard about Programmable Logic Controller standardizing programming, its progress and influence to PLC and DCS is introduced.
介绍了国际电工委员会有关可编程序控制器标准化编程的IEC1131 3标准的主要内容、进展及其对可编程序控制器和分散型控制系统的影响。
Mental test is defined as the tool to test mental characteristic by programming the test and standardizing.
心理测验是指经过测验编制程序完成标准化用以测量心理特性的工具。
应用推荐