您要查找的是不是:
- Effects of long-term fertilization on fractal features for soil aggregates in semi-arid farmland ecological system 半湿润区长期施肥对土壤结构体分形特征的影响
- Analysis on coordinating effect of nitrogen and phosphorus and precipitation in varied farmland ecological system in mountain areas in South Ningxia 宁南山区各农田生态系统氮、磷、降水配合效应及施肥模式研究
- Farmland ecological system 农田生态系统
- Effects of crop root and fertilizer on soil microbial biomass nitrogen in semiarid farmland ecological system 半干旱农田生态系统作物根系和施肥对土壤微生物体氮的影响
- The regional ecological system is fragile. 区域生态系统脆弱。
- The protection of the ecological system was further enhanced. 生态环境保护力度加大。
- Economic Growth and Ecological System: Balance or Both Winning? 经济发展与生态维护:权衡抑或双赢?
- The tourist ecological system which has reached the acme of perfection sufficiently presents the coloring of life. 尽善尽美的旅游生态系统充分展现生活色彩。
- Importance will be attached to the protection of the existing ecological system in wetlands and development of artificial wetland as appropriate. 重视保护现有湿地生态系统,在适宜地区建设人工湿地。
- The complex and varied terrains and landforms as well as the unique type of ecological system have created a natural paradise for biodiversity. 复杂多样的地形地貌和特殊的生态系统类型,为生物多样性营造了天然乐园。
- Of the ten national-level and provincial-level nature reserves, most belong to the primeval forest ecological system. 还有十多个国家级和省级的自然保护区,其中不少是原始森林生态系统。
- farmland ecological bearing capacity 农用地生态承载力
- The subsistent human beings in actuality are those who are experiencing life in an ecological system. 现实生存的人是在生态系统中从事着生命体验活动的人。
- farmland ecological consolidation 农地生态重划
- But the truth is that it is energy that makes the world go round. Energy is the currency of the ecological system. 但事实上,是能量驱使世界运转。能量是生态系统的媒介。
- The ecology system will be broken if too many trees were felled. 过度砍伐树木会破坏生态系统。
- Wetlands are critical to any ecological system, but particularly one which is as extensive and diverse as the Mekong River Basin. 湿地是不可或缺的生态系统,尤其是广泛富饶的湄公河流域。
- The tourist ecological system which has reached the acme of perfection.sufficiently presents the coloring of life. 尽善尽美的旅游生态系统充分展现生活色彩。
- Abounding in resources of wetland ecological system, east Dongting Lake enjoys a promising prospect of eco-tourism. 东洞庭湖湿地生态系统资源丰富,开展生态旅游前景广阔。
- Gradually the surrounding farmland turned residential. 周围的农田渐渐变成了住宅区。