生态等值,生态效应;
The effect of various ecological factor on purification efficiency of water plants ate discussed.
并讨论了各种生态因子对水生植物净化效率的影响.
来源:互联网摘选The ecological efficiency of Hippophae rhamnoides L is 2.11 times as economical efficiency.
沙棘资源的生态效益是经济效益的2.11倍.
来源:互联网摘选A study of ecological growth efficiency of stone flounder and banded dogfish
石鲽和皱唇鲨生态生长效率的研究
来源:互联网摘选Part three: hig _ productivity & efficiency coal mine and ecological environment.
太原 理工大学硕士研究生学位论文三、高产高效矿井与生态环境.
来源:互联网摘选Environmentalists celebrate Earth Day, to encourage energy efficiency and deplore ecological waste.
环保团体庆祝地球日, 鼓励提高能源效率,悲叹生态环境的消逝.
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