从经济效益上说，这不是我们收入来源的重要组成部分。
"Economically it's not a big part of how we generate revenue," he said.
从经济效益角度确定的设备更新的最优期限即为设备的经济寿命。
The best time limit of updating equipment is the economic lifetime of equipment.
从应用效果看，桥面采用钢纤堆混凝土铺装层具有较好的社会效益和经济效益。
Its application to the deck pavement construction will meet its social and economic benefits.
从应用效果看，桥面采用钢纤堆混凝土铺装层具有较好的社会效益和经济效益。
Its application to the deck pavement construction will meet its social and economic benefits.
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