本文就连清工作中总要碰到的几个具体技术问题作一些探讨。一、关于连续清查的抽样总体我国各省(区)的连清抽样总体基本有两类:一是以全省整个地域为总体;一是以初查时确定的林业用地为总体。第一种办法可全面掌握整个地域内各土地种类的现况和变化,但所需样地数较多,工作量较大。第二种办法则可省去大量非林地的调查工作量,但不能掌握初查时确定的非林地在以后复查时的变化,尤 This article will do some research on some specific technical problems that are always encountered in the work of Qing Dynasty. I. General Sampling for Continuous Inventory There are basically two types of sampling in all provinces in China: first, the entire region of a province as a whole; first, the total amount of forestry land determined during the initial check. The first approach can fully grasp the status and changes of the types of land in the entire territory. However, the number of required plots is larger and the workload is larger. The second approach can save a lot of non-forest land survey workload, but can not grasp the first check identified non-forest land in the future review of the changes, especially