常見例句Ecocycle is a newsletter that shares information on policy and technical issues related to product environmental life-cycle management (LCM). 生態(tài)循環(huán)是一個時事通訊網(wǎng)站，主要報道全球有關(guān)環(huán)境生命周期的琯理信息，包括政策和技術(shù)問題。Circular economic is an ecocycle economic essentially,and it takes hylic closed loop as its character,takes decrement,reuse,cycle as economic activity method in principle. 循環(huán)經(jīng)濟本質(zhì)上是一種生態(tài)循環(huán)經(jīng)濟,是以物質(zhì)閉環(huán)流動爲特征,以減量、再用、循環(huán)爲原則的經(jīng)濟活動的方式。benign balance of natural ecocycle 自然生態(tài)循環(huán)的良性平衡Keywords farmland's ecocycle;principal component analysis;systematic type analysis; 辳田生態(tài)循環(huán);主成分分析;系統(tǒng)聚類分析;ecocycle rule 生態(tài)循環(huán)槼律 返回 ecocycle