Warning: file_put_contents(/www/wwwroot/ppbbu/80125.cn/cache/4a51b29d5bd1d4fbc59188eebb285df2.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/80125.cn/index.php on line 58 reflectivity英英字典_reflectivity剑桥英语解释_reflectivity柯林斯英文解释_食材铺反向词典
1. N a measure of the ability of a surface to reflect radiation, equal to the reflectance of a layer of material sufficiently thick for the reflectance not to depend on the thickness 反射率[physics]