Warning: file_put_contents(): Only 0 of 6041 bytes written, possibly out of free disk space in /www/wwwroot/ppbbu/4cd.cn/index.php on line 55 uniformity ratio of illumination是什么意思，uniformity ratio of illumination的翻译，uniformity ratio of illumination音标、读音、用法和例句_沉淀汉英词典