【摘要】 简述了使用GPS手持机进行测量应掌握的几种常见坐标系统及坐标转换的一些基本概念,并针对当前林业行业GPS应用状况,提出了提升GPS在林业调查中的精度和应用水平的一些对策与措施。更多还原

【Abstract】 Some kinds of common coordinate systems and transformation of coordinates grasped in measurement by use of hand GPS are briefly introduced.And countermeasures and methods are put forward to improve the precision and level of using GPS in forestry investigation.更多还原