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自从1955年開始使用大平板儀測繪碎部以來,同志們对平板仪的操作都有一定的体会,为了与使用经緯仪配合繪圖板進行测圖作比較,我隊在这个問題上曾經進行討論,茲將討論結果綜合整理如下: 一、質量——平板儀測繪碎部系以照准仪直接对准标尺。方向誤差較小,經緯儀測圖以明膠分度器展點,方向誤差較大。平板儀測圖時可隨時用交会法作質量檢驗,分度器展點檢驗時不方便不精確。若進一
Since the beginning of the use of a large flat-panel instrument to measure broken parts in 1955, comrades have had some experience with the operation of flat-panel meters. In order to compare with the theodolites used in conjunction with the drawing plates for mapping, my team discussed this issue , The results of the discussion are summarized as follows: First, the quality - flat plate mapping Department of Department of allegretch with direct alignment ruler. The smaller the direction error, geodetic geodetic survey point theodolite, the direction of the larger error. Flat-panel mapping at any time with the rendezvous method for quality inspection, protractors point inspection inconvenient. If one into