During the first quarter, energy intensity - measured as energy use per unit of output - actually increased, Mr. Zhang said.
在第一个季度中，能量密度——定义为每单位产出消耗的能源——事实上增加了，张先生说。
The exploitation of natural light contributes to energy saving through the use of a lighting system equipped to automatically control the light intensity depending on the intake of light.
通过使用配备的灯光系统，用来根据光线摄入量自动控制光线强度，对自然光进行利用，从而有助节约能源。
It is the key for the reduction of construction initial energy use to reduce the embodied energy intensity and quantity in per usable floor area of the main materials.
降低主要建筑材料的内含能量强度值和单位建筑面积内建筑材料的使用量，是降低施工初始能耗的有效途径。
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