經緯儀如何定直線? - 土木
By Kelly
at 2011-10-14T01:51
at 2011-10-14T01:51
Table of Contents
想請問各位一下
經緯儀該如何定直線? 網路上找不到 請益!!
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※ 發信站 :批踢踢實業坊(ptt.cc)
◆ From: 140.120.230.80
經緯儀該如何定直線? 網路上找不到 請益!!
--
※ 發信站 :批踢踢實業坊(ptt.cc)
◆ From: 140.120.230.80
推 rommel1:正倒鏡修正誤差? 10/14 06:01
推 chachabon:二次縱轉法~~我記得好像是這個~ 10/14 08:54
推 kgbkung:是指現地放樣定線嗎?好像是觀測者指揮持標竿之前尺手 10/15 22:49
→ kgbkung:先以望遠鏡指揮前尺手將標竿進入視界,然後再指揮使標竿 10/15 22:52
→ kgbkung:底部尖點與十字絲照準之地面點位於同一點上,再由前尺手 10/15 22:54
→ kgbkung:於地面上標定該測點,與經緯儀定心點相連即為一直線 10/15 22:56
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