單項選擇題
A.0.5~1mm B.1~1.5mm C.1~2mm D.1~2.5mm
A.30° B.60° C.75° D.90°
A.100μΩ B.1000μΩ C.1Ω D.4Ω
A.白熾燈 B.鹵鎢燈 C.高壓汞燈 D.高壓鈉燈 E.金屬鹵化物燈
A.+0.2% B.+0.5% C.+0.1% D.+5%
A.10 B.20 C.50 D.100
A.10 B.20 C.30 D.50
A.1 B.2 C.3 D.4
A.5%~10% B.10%~20% C.20%~30% D.40%~50%
A.90° B.120° C.180° D.360°
A.白熾燈 B.氙燈 C.熒光燈 D.高壓汞燈 E.高壓鈉燈