单项选择题
A.-0.10s/(d·℃)~0.10s/(d·℃)B.-0.12s/(d·℃)~0.12s/(d·℃)C.-0.15s/(d·℃)~0.15s/(d·℃)D.-0.20s/(d·℃)~0.20s/(d·℃)
A.2B.3C.4D.5
A.瞬时日差B.摆幅C.平均实走日差D.偏振