宜川县
- 网络Yichuan County
宜川县-
宜川县学龄前儿童生长发育及营养状况13年趋势分析
Analysis on growth and nutritive state of preschool children in Yichuan country between 1986 and 1998
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试析自然地理环境对民俗事象的影响&以乾隆时期宜川县为例
Influence of Natural Geographic Environment on Folk Customs & Taking Yi Chuan County in Qian Long Period as An Example
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宜川和黄龙县的油松人工林直径、树高分布遵从于近似正态分布。
The diameter and the height distribution of Pinus tabulaeformis artifical forest obey described normal distribution function in Huanglong and Yichuan .