Numerous field and green house trials are indicative of the benefits of this t
echnology for crop production, as a probiotic in poultry and livestock rations
, and to enhance the composting and recycling of municipal/industrial wastes a
nd effluents.
請問as在這裡是“因為”還是“按照”的意思呀？
雖然知道as在這裡作連接詞使用
但，我不大懂得”，as a probiotic in poultry and livestock ration，”這段子句為
什麼以“前後，+as”的形式插入在這段句子中
麻煩Toeic板的各路英雄相助>_<