1) Problem of soil
土壤问题
2) soil ecological problem
土壤生态问题
1.
On the basis of the studies on soil salinization,harden,acidification and disease,soil ecological problems were analyzed in the greenhouse and the countermeasures were put forward.
从土壤次生盐渍化、土壤板结、土壤酸化、土壤病虫害等方面分析了目前规模化的保护地中出现的土壤生态问题,提出了相应问题的具体防治措施,并在此基础上指出了该领域今后应加强的研究方向。
4) land problem
土地问题
1.
From perspective of land environment, the writers classify the land problems into three kinds:primary land problems, seconda.
研究结果:界定了土地环境的概念,分析了其构成体系和基本特征,解读了土地自然环境、工程环境和社会环境对土地的影响,依据土地环境的诱因对土地问题进行了分类,并对土地环境分析评价技术路线进行了框架设计。
2.
A new classification for China s land problems is made, which involves primary land problems, secondary land problems and social land problems.
我国土地问题十分严峻 ,阻碍了社会经济的可持续发展 。
3.
Meanwhile the au- thor makes attempt to study primary land problem,secondary land problem and social land problems.
界定了土地环境的概念,分析了其构成体系和基本特征;探讨了土地自然环境、工程环境和社会环境对土地的影响,并结合我国的实例,对原生土地问题、次生土地问题和社会土地问题进行了探索性研究。
5) land issue
土地问题
1.
Based on the analysis of contemporary ru-ral land issues, the author of paper believes that oneof the keys for the rural society to develop rationallyand settle the rural problem in China is to make ad-justments and reforms to the rural land system.
针对当前农村土地问题的现状,认为调整农村土地关系,改革土地制度是解决当前农村问题的关键之一。
2.
This paper makes an approach to the possibility to apply the "3S" technologies to solution of the prevailing problems such as land environmental issue, indigenous and secondary land issues.
针对目前我国土地普遍存在的土地环境问题、原生土地问题、次生土地土地问题和社会土地问题,提出了应用"3S"技术进行辅助决策,以解决这些问题。
补充资料：土壤水分运动基本方程(见土壤水运动)
土壤水分运动基本方程(见土壤水运动)
turang shuifen yundong iiben土壤水分运动基本方程fangeheng见土壤水运动。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条