Chapter Five: Measurement about the water environmental damage cost from field ecosystem.
第五章农田生态系统水环境损害成本的计量。
Potassium(K) balance in purple soil rice field ecosystem under rice-wheat rotation were studied on the National Purple Soil Fertility and Fertilizer Efficiency Monitored Base.
在国家紫色土肥力与肥料效益监测基地上，研究了稻麦轮作制度下紫色土稻田生态系统中钾素的平衡状况。
So if you give away a product, making it easy to get large market share, and you let everyone play on a level playing field, it should be easy to develop a thriving ecosystem.
所以如果您放弃一项产品，使其很容易获得较大的市场份额，同时您让每个人都公平地竞争，这应该易于开发出一个欣欣向荣的生态系统。
We hope that through this ecosystem so that different areas of the community in the field of network information security cooperation to a higher level.
我们希望可以通过这个生态系统让不同领域的社区在网络信息安全方面的合作能够更上一层楼。
In the hierarchical structure, population ecology is foundation of others grows up and the most active field, but the organizational ecosystem is the important new research topic.
虽然组织种群生态学是组织生态学最活跃的领域，也是研究的核心和基础，但是组织生态系统则是新的重要研究领域。
Ecosystem health is a newly emerged field with great potential, and the basis for ecosystem service and the new aim and new method of ecosystem management.
生态系统健康是近十余年来新出现的极具潜力的研究领域，它是生态系统服务的基础，是环境管理的新目标和新手段。
One of the most authoritative resources in the field, this volume covers all aspects of this important Marine ecosystem.
在领域的最威权的资源之一，这卷包括这重要的海上生态系统的各方面。
A field experiment was conducted to investigate the development rule of rice sheath blight in rice-duck-fish complex ecosystem. A model was established based on experiment data.
通过田间试验，对稻-鸭-鱼共栖生态系统中水稻纹枯病的发生规律进行了研究并建立了相应的数学模型。
A paddy field and fishpond simulation ecosystem was established to study the Fipronil pesticide environment behavior and its effects on crab and shrimp in the ecosystem.
通过建立稻田-鱼塘模拟生态系统，研究锐劲特农药在稻田-鱼塘模拟生态系统中的迁移、转化规律，及其对蟹、虾等水生生物的影响。
The environment behavior and effects of Isazofos on aquatic organisms in a paddy field and fish pond simulation ecosystem were studied.
建立稻田—鱼塘模拟生态系统，以研究氯唑磷农药在稻田—鱼塘模拟生态系统中的迁移、转化规律，及其对鱼、虾等水生生物的影响。
Two is the ecosystem environment of the change in the field.
二是改变田间生态环境。
Two is the ecosystem environment of the change in the field.
二是改变田间生态环境。
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