In the survey of forest management previously, the statistic relationship between the photo interpretation volume of the plot and the practical measurement is based on the classical principle of MLS.
Its growth status and distributions in Zhuhai City were studied by route survey and plot and line transect sampling.
结合线路调查、样方调查和样带调查法，分析研究了珠海市水松林的分布现状和发展趋势。
3
The survey system can make measurement of the depth of the mud scum and can automatically plot a navigable water depth chart with the acquired data of water depth.