有效性意味着人类仅控制一切可控因素，尽可能让生态系统自然生长。
Effective means we set all the controllable factors in it and allow the system to emerge into what they should be.
土壤生态系统中水分和养分的丰度和有效性决定土壤的肥力。
The abundance and availability of water and nutrients in a soil ecosystem determine its fertility.
只有控制土体中的蒸发量，才能改善土壤生态环境，提高土壤利用的有效性。
Only controlled the evaporation quantity in soil, that soil environment would be improved, the validity of soil would be boosted.
沉积物中汞的生物有效性较高，对红树林生态系统存在一定的潜在危害。
The relatively high bio-availability of mercury in the sediments indicated certain potential hazard to the mangrove ecosystem.
AM真菌对作物的有益作用受生态条件影响很大，其中土壤磷的有效性是重要的影响因子之一。
The useful role of AM fungi to crops has been influenced by ecological conditions, such as the phosphor is an important factor.
金融综合化经营和谐生态环境的基础与核心是法律机制的构建，以及构建后的法律对金融综合化经营生态环境的有效性及适应性。
The improvement of financial legal system is very important for the improvement of the eco-environment of financial comprehensive operation.
金融综合化经营和谐生态环境的基础与核心是法律机制的构建，以及构建后的法律对金融综合化经营生态环境的有效性及适应性。
The improvement of financial legal system is very important for the improvement of the eco-environment of financial comprehensive operation.
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