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显微镜下的世界
显微镜的构造

接目鏡
鏡筒
粗調節輪
旋轉盤
接物鏡

細
調

壓條
載物台

拿显微镜的正确方法

節
輪

光圈
反光鏡

17 世纪人类发明了光学显微镜,使人类可以观
察微生物。

座鏡
在玻璃片中央放入要观察的物体 。
显微镜使用时的顺序:
*先使用低倍物镜
(1)
 
(2)
(3)
(4)
(5)
  

把玻璃片物体对准镜头圆孔,并固定夹注。 
转动粗调节轮
调节反光镜及光圈。
转动粗调节轮。直到看到清楚的标本。
低倍镜观察后,换高倍镜,并细调。
显微镜下放大 25 倍的海
水
螃蟹的幼体
蓝藻
藻类
鱼卵
卢治强师整理
2014

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