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1·Exploiting detritus food chain is part of development system of grand agricultural re-sources.

开发腐屑食物链是大农业资源开发系统之一。

2·Indeed, with the deaths of so many other animals and with much dead plant material, the food chain based on detritus would have been well-supplied.

事实上，由于许多其他动物的死亡以及植物的大量枯萎，基于腐殖质的食物链本会得到很好的供应。