測量實習報告三.docx - 討論問題 經緯儀可以做為水準儀來使用。 因為經緯儀的的鏡頭可以做 360

測量實習報告三.docx - 討論問題...

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討論問題 經緯儀可以做為水準儀來使用。 因為經緯儀的的鏡頭可以做 360 度的旋轉,因此當將經緯儀設定天頂距為 90 度時,視線成為水平的狀態,當視線為水平的時候,即符合水準儀的測量原理, 因此經緯儀可以做為水準儀使用。 實習心得 這次的實習和之前兩次的實習比起來真是的困難了許多,第一次的實習只是 單純的定直線即拿捲尺測量兩點之距離,而第二次的實習則是以架設水準儀為 主,並觀測十字絲對到的水準尺上的讀數,將上絲即下絲的所觀測到的讀數相 加除以二檢查是否與中絲讀數沒有太多誤差。之前兩次的實習結果都沒有太大 的問題,而且實習的過程也非常的簡單容易,然而,這次的實習卻和前兩次相 差甚遠,光是儀器的架設就是一件非常困難的事情,經緯儀不只要定平還要定 心。
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