* 1单击此处编辑母版标题样式单击此处编辑母版副标题样式Language Testing Basic principles变电站电气主接线是指变电站的变压器、输电线路怎样与电力系统相连接，从而完成输配电任务。变电站的主接线是电力系统接线组成中一个重要组成部分* 2n To understand the need for test theory, it is first necessary to understand something about the fundamental nature of measurement ,constructs, and psychological tests. 变电站电气主接线是指变电站的变压器、输电线路怎样与电力系统相连接，从而完成输配电任务。变电站的主接线是电力系统接线组成中一个重要组成部分* 3What are they measuring?Height & weight?physical attributes psychological attributes变电站电气主接线是指变电站的变压器、输电线路怎样与电力系统相连接，从而完成输配电任务。
