Warning: file_put_contents(/www/wwwroot/ppbbu/4cd.cn/cache/9d0e91a0966ea196cbdb039876ae0c53.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/4cd.cn/index.php on line 55 pure binary numeration system是什么意思，pure binary numeration system的翻译，pure binary numeration system音标、读音、用法和例句_沉淀汉英词典