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万用表分几种

更新时间: 2020-11-06 00:00:00     

万用表有两种:一种是模拟指针式万用表,具有直观、明了的优点,但精度不高,其指针的偏转与被检测量保持一定的对应关系;另一种是数字万用表,它以数字的形式(不连续、离散形式)显示被检测量。

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SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1132503,2192622,1114456,3158001,391726,3315151,1129775,1101623,3006734,107270,1108664,1817010,665506,2505917,1873140,1113127,2666029,1773260,1443124,1086232,2374797,3017359,687141,2251097,1414379,1123807,1084593,1080301,2907147,2643907) ORDER BY field (ArticleID,1132503,2192622,1114456,3158001,391726,3315151,1129775,1101623,3006734,107270,1108664,1817010,665506,2505917,1873140,1113127,2666029,1773260,1443124,1086232,2374797,3017359,687141,2251097,1414379,1123807,1084593,1080301,2907147,2643907)