Author: admin
第一种: 将需要进行观察的物体放在一个固定的位置上,再将放大镜靠近物体一侧,然后沿着肉眼与物体之间的直线方向,缓缓地移动放大镜,直至看清楚物体的细微结构为止。
第二种: 将放大镜放置在一个固定的位置上,再将需要观察的物体放置在放大镜下(靠近放大镜),然后沿着肉眼与放大镜之间的直线方向,缓缓地移动物体,直至看清楚物体的细微结构为止。工具包
Tags: 工具
This entry was posted on 星期一, 六月 8th, 2009 at 下午 5:57 and is filed under 工具. You can follow any responses to this entry through the RSS 2.0 feed. Responses are currently closed, but you can trackback from your own site.
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