indirect luminous flux 间接光通量
Effect of furnace wall emissivity on surface heat flux of heated stock is analyzed for direct firing furnace and indirect heating furnace.
分析了炉壁黑度对炉膛辐射换热流的影响，分别对火焰直接加热炉和间接加热炉进行了讨论。
By using an indirect method based on CCD camera and Lambert target, a flux density distribution measurement system of point focusing concentrating equipment is developed.
采用基于CCD相机和朗伯靶的间接方法，研制一套点聚焦聚光设备的能流密度分布测量装置。
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