A . X线
B . X±S线
C . X±2S线
D . X±3S线
E . X±4S线
[单选题]Levey－Jennings质控图中警告限为A.X线B.X±S线C.X±2S线D.X±3S线E.X±4S线
[单选题]Levey－Jennings质控图中警告限为A.X线B.X±S线C.X±2S线D.X±3S线E.X±4S线
[单选题]Levey－Jennings质控图中警告限为A.X线B.X±S线C.X±2S线D.X±3S线E.X±4S线
[单选题,A2型题,A1/A2型题] Levey-Jennings质控图的警告限为（）A . ['±1SB . ±2SC . +3SD . +4SE . ±5S
[单选题,A2型题,A1/A2型题] Levey-Jennings质控图中警告线为（）.A . ['线B . ±S线C . ±2S线D . ±3S线E . ±4S线
[单选题,A2型题,A1/A2型题] Levey-Jennings质控图中警告线为（）A . ['线B . ±S线C . ±2S线D . ±3S线E . ±4S线
[单选题]Levey-Jennings质控图中警告线为（）A.线B.±S线C.±2S线D.±3S线E.±4S线
[单选题]Levey－Jennings质控图中警告线为（ ）A.线B.±S线C.±2S线D.±3S线E.±4S线
[单选题]Levey-Jennings质控图中警告线为()A.线B.±s线C.±2s线D.±3s线E.±4s线
[单选题]Levey-Jennings质控图中警告线为()A.线B.±s线C.±2s线D.±3s线E.±4s线