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A STUDY ON ESTABLISHMENT AND INVESTIGATION METHODS OF BAMBOO EXPERIMENTAL FIELD Investigation methodology and application on scientific and technological personnel of traditional Chinese medical resources based on data from Chinese scientific research paper Suitable investigation method of exploration and suggestions for investigating Chinese materia medica resources from wetland and artificial water of Hongze Lake region Relation of bite size in feces with age and population number of Giant Panda (Ailuropoda melanoleuca) A Survey of Forest Land Property Right System in Pingjiang County,Hunan Province