单项选择题
A.屈光B.主截C.分界D.弯曲E.垂直
A.-1.00DS/+2.00DC×180B.+1.00DS/-0.50DC×90C.+3.00DS/+2.00DC×90D.-3.00DC×180/-1.00DC×90E.+3.00DC×180/+1.00DC×90
A.-1.00DS/-2.00DC×180B.+1.00DC×90C.-2.00DS/+2.00DC×90D.+3.00DC×180/-1.00DC×90E.-1.00DC×90
A.环曲面B.柱镜C.透镜D.球镜E.棱镜
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