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一、概述为了探索回归估测在二类调查中的应用,七七年我队在凉山州喜德、昭觉二县东西河林区进行二类调查时,做了目、实测回归试点.
I. Overview In order to explore the application of regression estimation in the second type of investigation, in the past seven or seven years, when our team carried out the second type of investigation in the Dongshe River forest area of Xi’de and Zhaojue counties of Liangshan Prefecture, we made a retrospective pilot project.