测绘处现正设立更多的永久参考站，以扩大覆盖范围及提高精确程度。
More permanent reference stations are being installed to provide wider and more precise coverage.
利用绘图及测量仪器，测绘处的人员专责绘制及更新各种比例的地图以作不同种类的用途。
Using cartographic and survey instrument staff of the survey and mapping office carry out the production and revision of maps and plans at different scales for different purposes.
利用绘图及测量仪器，测绘处的人员专责绘制及更新各种比例的地图以作不同种类的用途。
Using cartographic and survey instrument, staff of the survey and Mapping Office carry out the production and revision of maps and plans at different scales for different purposes.
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