在用低倍物镜观察蚕豆叶下表皮实验时,甲乙丙丁四位同学分别在视野中看到的物像如图所示 在用低倍镜观察蚕豆叶下表皮实验时,甲、乙、丙、丁四位同学分别...
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丙效果最好甲的装片放歪了,向右下移动装片
乙调节反光镜或光圈,增大视野亮度
丁物象模糊(我不确定是否是你的图的原因。。。因为丙丁差不多)调节粗准焦螺旋使物象清晰。
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