(来学网)(+0.12DS)+(+0.37DS)=
  • A.
    (来学网)-0.25D
  • B.
    (来学网)-0.50DS
  • C.
    (来学网)+0.25DS
  • D.
    (来学网)+0.50DS
正确答案:
D
答案解析:
球镜的联合直接叠加,(+0.12DS)+(+0.37DS)=0.49DS约等于0.50DS。