显微镜是生物学实验中常用的一种仪器.下图是显微镜的结构图请据图回答.1对光时应选用 和 来调节光线的强和弱.2在观察的 Template




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tomski显微镜是生物学实验中常用的一种仪器.下图是显微镜的结构图请据图回答.1对光时应选用 和 来调节光线的强和弱.2在观察的 coloring