A.5000°K B.6500°K C.7500°K D.4800°K
A.4%~6% B.7%~9% C.11%~15% D.16%~20%
A.模數(shù)轉(zhuǎn)換電路 B.光電耦合器件CCD C.光電倍增管 D.濾色片