His tanks are part of a system very different from a fish farm or natural ecosystem.
Schreibman的鱼缸是某套系统的其中一部分组件。
At the same time, they are important for keeping balance of nutrition resources in ecosystem, increasing yield, improving quality of farm prodution, reducing pollution and improving human nutrition.
同时，它们对维持整个生态环境中养分资源稳定和平衡、增加农产品数量、提高品质、减少农业环境污染、改进人类各种营养状况有非常重要的意义。
This paper deals with the issue of material cycling in the farm household ecosystem in Jiangxi Province.
本文研究了江西红壤地区以种植业为主种养结合的农户生态系统的物质循环情况。
This paper deals with the issue of material cycling in the farm household ecosystem in Jiangxi Province.
本文研究了江西红壤地区以种植业为主种养结合的农户生态系统的物质循环情况。
应用推荐