A.不均勻,深淺不同 B.不均勻,深淺相同 C.均勻,深淺不同 D.均勻,深淺相同
A.用清晰線條對(duì)應(yīng)的較小鐘點(diǎn)乘以60 B.用清晰線條對(duì)應(yīng)的較小鐘點(diǎn)乘以30 C.用清晰線條對(duì)應(yīng)的較大鐘點(diǎn)乘以60 D.用清晰線條對(duì)應(yīng)的較大鐘點(diǎn)乘以30
A.30 B.45 C.60 D.75