A.18℃~20℃B.25℃~30℃C.33℃~35℃D.36℃~40℃E.36℃~50℃
A.百分線經(jīng)數(shù)(LP%) B.厘米線時數(shù)(LP/cm) C.厘米線經(jīng)數(shù)(cm) D.對比度指數(shù) E.毫米線時數(shù)(LP/mm)