单项选择题
A.2% B.1% C.1.5% D.0.5%
A.0.5% B.1% C.2% D.1.5%
A.0.5% B.1.5% C.1% D.2%
A.±1nm B.±5nm C.±0.2μm D.±10nm
A.±1nm B.±10nm C.±5nm D.±0.2μm
A.±5nm B.±1nm C.±10nm D.±0.2μm
A.280~380nm B.4.5~25μm C.380~780nm D.350~1800nm
A.280~380nm B.380~780nm C.350~1800nm D.4.5~25μm
A.350~1800nm B.280~380nm C.380~780nm D.4.5~25μm