economic life of tractor 拖拉机经济寿命
economic value of ecosystem service function 生态系统服务功能价值
economic value of electricity 电力价值
economic value of the grasslands 草地产值
Economic Value of Water 水经济价值
Evaluation of economic value 经济价值评估
the economic life of the bridge 桥梁经济寿命
the economic value of hospital 医院经济价值
Characteristic value of of natural nodule 大豆自然结瘤性状C值
keeping and increasing of value of assets 资产保值增值
quantity of value of the goods 商品价值量
return of value of agriculture 价值归真
theory of life value 生命价值论
theory of value of goods 价值理论
Traceability of Value of a Quantity 量值溯源性; 量值溯源
Value of life 生命价值; 生命价值观; 人生价值
quality of life of college students 大学生生命质量
the quality of life of residents 居民生活质量
a reform of economic system 经济体制改革