使用显微镜时错误的操作是A.对光是要看到白亮的视野B.安放时镜座距实验台边缘约5cmC.观察时用左眼看着目镜,右眼睁开,便于画图D.当光线较暗时,用反光镜的凹面来对光为什么?
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![使用显微镜时错误的操作是A.对光是要看到白亮的视野B.安放时镜座距实验台边缘约5cmC.观察时用左眼看着目镜,右眼睁开,便于画图D.当光线较暗时,用反光镜的凹面来对光为什么?](/uploads/image/z/5420362-58-2.jpg?t=%E4%BD%BF%E7%94%A8%E6%98%BE%E5%BE%AE%E9%95%9C%E6%97%B6%E9%94%99%E8%AF%AF%E7%9A%84%E6%93%8D%E4%BD%9C%E6%98%AFA.%E5%AF%B9%E5%85%89%E6%98%AF%E8%A6%81%E7%9C%8B%E5%88%B0%E7%99%BD%E4%BA%AE%E7%9A%84%E8%A7%86%E9%87%8EB.%E5%AE%89%E6%94%BE%E6%97%B6%E9%95%9C%E5%BA%A7%E8%B7%9D%E5%AE%9E%E9%AA%8C%E5%8F%B0%E8%BE%B9%E7%BC%98%E7%BA%A65cmC.%E8%A7%82%E5%AF%9F%E6%97%B6%E7%94%A8%E5%B7%A6%E7%9C%BC%E7%9C%8B%E7%9D%80%E7%9B%AE%E9%95%9C%2C%E5%8F%B3%E7%9C%BC%E7%9D%81%E5%BC%80%2C%E4%BE%BF%E4%BA%8E%E7%94%BB%E5%9B%BED.%E5%BD%93%E5%85%89%E7%BA%BF%E8%BE%83%E6%9A%97%E6%97%B6%2C%E7%94%A8%E5%8F%8D%E5%85%89%E9%95%9C%E7%9A%84%E5%87%B9%E9%9D%A2%E6%9D%A5%E5%AF%B9%E5%85%89%E4%B8%BA%E4%BB%80%E4%B9%88%3F)
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