Warning: file_put_contents(/www/wwwroot/ppbbbu/202081.com/cache/49805b6836c2ff244a6d8b05c8da2cb0.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbbu/202081.com/index.php on line 55 prenex disjunctive normal form是什么意思,prenex disjunctive normal form的翻译,prenex disjunctive normal form音标、读音、用法和例句_2020年的事情英文词典