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初中生物如何使用显微镜
更新时间: 2020-10-26 00:00:00  

1、右手拿柄左手托盘取出显微镜;

2、小心将所需观察的标本放在载玻片上;

3、用滴管滴一小滴水在标本上,多余的水用纸巾吸出;

4、铺平后盖上盖玻片,从一面开始接触缓慢向下盖防止产生气泡;

5、将载玻片放在镜台上;

6、放入目镜调节光圈,调节透镜,物镜,粗准焦螺旋和细准焦螺旋,直到看清楚为止。

关键词: 初中 生物 如何 使用 显微镜

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