1) history of reclamation
开垦历史
2) Cultivated ages
耕垦历史
3) cultivation ages
垦耕历史
4) Development history
开发历史
1.
This article expounded the present situation of the eastern part,middle and the western area economical development disparity,then analyzed the region development strategy and its development history to the region economical difference influ.
本文首先从东部,中部和西部地区的经济发展的差距现状入手,详细地分析了区域开发战略及其开发历史对区域经济差异的影响,并运用线性相关分析法,进行了统计的,回归的分析,结果显示区域开发战略与地域间经济差异有着非常密切的关系。
5) reclamation
[英][,reklə'meiʃən] [美][,rɛklə'meʃən]
开垦
1.
The impact of reclamation activities on soil sulfur contents in the Sanjiang Plain;
开垦利用对三江平原湿地土壤硫含量的影响
2.
Effects of reclamation on soil organic carbon in Haibei alpine meadow;
开垦对海北高寒草甸土壤有机碳的影响
6) cultivation
[英][,kʌltɪ'veɪʃn] [美]['kʌltə'veʃən]
开垦
1.
Effects of Cultivation on Soil Organic Carbon Dynamics in Agroecosystems;
开垦对农业生态系统土壤有机碳动态变化的影响
2.
Effects of Cultivation on Soil Properties at a Desert Site;
开垦对荒漠土壤性状的影响
3.
We aimed to detect the process that human activities exert on ecosystem by investigating and analyzing the changes of plant community,especially underground soil and root carbon sequestration under long term cultivation and grazing in typical steppe area of Nei Monggol,North China.
以围封26 a草地(E26)为对照,研究了内蒙古典型草原区长期开垦与放牧对土壤-植物根系系统碳截存的影响。
补充资料:被开垦的处女地
一九三○年,苏维埃全国开展农业集体化运动。达维多夫奉命来到顿河地区,组织那里的农民建立集体农庄。在与旧势力的反复斗争中,格列妙奇村的集体农庄终于冲破重重困难和阻碍,逐步得到了稳固和发展,使原本贫苦的农民在被开垦的处女地上建设起自己的新家园。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。