National Land Surveying and Mapping Center:
001-老師白巨川授課情形
National Land Surveying and Mapping Center:
002-助教劉家璋示範情形1
National Land Surveying and Mapping Center:
003-助教劉家璋示範情形2
National Land Surveying and Mapping Center:
004-助教許陽碧助示範情形
National Land Surveying and Mapping Center:
005-學員實習情形