SDM4000A系列高速六位半万用表
主要特性
- 6½ 位读数分辨率（2,200,000 count）
- 最大读数速率50k rdgs/s，最小采样间隔20μs
- 真有效值交流电压和交流电流测量
- 记录仪功能和数字化仪功能
- 5英寸触摸屏，分辨率800*480
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SQL语句出错：select * from article where GroupId=15 and AId in() order by MyOrder desc,AId asc
错误代码：#1064 - You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near ') order by MyOrder desc,AId asc' at line 1
错误代码：#1064 - You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near ') order by MyOrder desc,AId asc' at line 1
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