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【多选题】
提高显微镜分辨本领的途径有 。A.
减小照明光波波长
B.
增大照明光波波长
C.
减小数值孔径
D.
增加孔径半角
E.
增加样品与物镜间介质的折射率
F.
增加放大倍数
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A.
our diet would be healthier
B.
we would be as healthy as people in other countries
C.
our diet would be more interesting
D.
we would only eat whole-meal bread and vegetables
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