一束光经过凹透镜折射后A.一定是平行光束B.一定是发散光束C.一定会聚到一点D.一定比入射光线会聚些
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![一束光经过凹透镜折射后A.一定是平行光束B.一定是发散光束C.一定会聚到一点D.一定比入射光线会聚些](/uploads/image/z/11276471-47-1.jpg?t=%E4%B8%80%E6%9D%9F%E5%85%89%E7%BB%8F%E8%BF%87%E5%87%B9%E9%80%8F%E9%95%9C%E6%8A%98%E5%B0%84%E5%90%8EA.%E4%B8%80%E5%AE%9A%E6%98%AF%E5%B9%B3%E8%A1%8C%E5%85%89%E6%9D%9FB.%E4%B8%80%E5%AE%9A%E6%98%AF%E5%8F%91%E6%95%A3%E5%85%89%E6%9D%9FC.%E4%B8%80%E5%AE%9A%E4%BC%9A%E8%81%9A%E5%88%B0%E4%B8%80%E7%82%B9D.%E4%B8%80%E5%AE%9A%E6%AF%94%E5%85%A5%E5%B0%84%E5%85%89%E7%BA%BF%E4%BC%9A%E8%81%9A%E4%BA%9B)
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