In the primary nonresidential expenditure model, income, ethnicity, private or public lands, and forest lands had a significant effect on nonconsumptive wildlife recreation expenditures.
实证结果
示,在远距消费支出模型中,个人收入、种族肤色、公私有林地
影响因子,对于非消耗性野生动物游憩活动之消费支出情形具有相对

性。
,非住宅
、词性分类均由互联网资源自动生成,部分未经过人工审核,其表达内容亦不代表本软件


