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一、什么叫连续森林资源清查在总体内,以随机或系统抽取的与周围林分有相同经营措施的样地或样木组成样本,根据定期观测取得的成对数值配制的双重回归估计总体的方法,叫做连续森林资源清查。连续的含义是指同一总体中,在两个不同时期进行森林抽样的连续。第一时期的调查叫做初查,用符号A表示;第二时期的调查叫做复查,用符号B表示。以初查样本单元的观测值为辅助因子,用符号x表示;以复查样本单
First, what is the continuous inventory of forest resources in the overall, with random or systematic extraction of samples with the same management measures around the surrounding forest samples or samples of wood, based on regular observations obtained by paired numerical double regression estimate of the overall Method, called continuous forest inventory. Continuous meaning refers to the same overall, in two different periods of continuous forest sampling. The first period of the investigation is called the first investigation, with the symbol A said; the second period of the survey called review, with the symbol B said. To initial check the observations of the sample unit as a cofactor, denoted by the symbol x; to review the sample list