food cycle 食物链 ; [生态] 食物环 ; [生态] 食物循环 ; 食物网
Women and food cycle technologies 妇女与食物循环技术
food chain cycle 食物链环
Their life cycle helps man provide himself with a basic food—fish.
鱼类的生命周期使其成为一种人类的基本食物。
Energy is an essential resource across the entire food production cycle, with estimates showing an average of 7-10 calories of input being required in the production of one calorie of food.
在整个食品生产周期中，能量是一种必不可少的资源，据估计，生产一卡路里的食品平均需要7-10卡路里的投入。
Two factors appear to be generating the cycle: food plants and predators.
产生这种循环的因素有两个：食用植物和食肉动物。
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