在北京设有办事处 » With offices in Beijing 人均耕地 » Per capita cultivated land 池子里那只大得、毛茸茸的动物 » Pool that large, furry animals ..
基于16个网页-相关网页
Based on the analysis, a regressive equation for prediction of Hunans cultivated land resource and per capita cultivated land in future are established.
文中对湖南省未来耕地资源及人均耕地量作了预测。
参考来源 - 湖南省耕地安全与可持续利用探讨·2,447,543篇论文数据，部分数据来源于NoteExpress
The pressure index of cultivated land is the ratio of per capita minimal area of cultivated land and per capita actual area of cultivated land.
耕地压力指数是指最小人均耕地面积与实际人均耕地面积之比。
The results show that: during the past 10 years, the areas of arable land in Qinghai Province were declining generally, and so was the cultivated land resources per capita.
结果表明：近10年来青海省耕地面积总体呈下降趋势，且人均耕地资源也呈下降趋势。
The sediment discharge of rivers with cultivated waste land of dry farm, population density are indirect proportion, it with forest cover degree, per capita output of grain are inverse proportion.
河流输少量与旱坡耕地垦殖率、人口密度成正比，与森林覆盖率、人均占有粮食成反比。
应用推荐