A.15°和45° B.15°和75° C.45°和105° D.15°和165°
A.桃紅 B.紅 C.橙 D.洋紅
A.網(wǎng)點(diǎn)覆蓋率 B.網(wǎng)點(diǎn)形狀 C.網(wǎng)點(diǎn)角度 D.網(wǎng)點(diǎn)線數(shù)