摘要
城市绿地状况是城市环境的重要指标，对分析和评价城市环境质量有重要意义。采用小比例尺航空象片利用抽样方法调查城市绿地覆盖率和分布状况是一种经济有效的方法。
The situation of city green is an importent standard of city environment andalso has an importent meaning on city enviroment analysis and appraisal.It is an efficient andeconomical way of using aviation photographs on the smalle scale and randomr compositionssampling to investigate the distribution and the cover rate ofcity green.
关键词
园林绿地
覆盖率
航空象片
象片判读
cover rate of city green
aviation photograph
photograph differentiation
compositions sample
