The noise hazard is the bigger harmful factor of occupation job grading in Thermal power plant.
噪声是电力行业比较突出、影响较大的职业性有害因素。
In this paper, we will research the impact of exterior-factor in the case of agricultural land grading and evaluation of Jiulongpo district in Chongqing city.
以重庆市九龙坡区为例，对引入外部性的因素法体系的农用地估价进行探讨。
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