Warning: file_put_contents(/www/wwwroot/ppbbbu/n94.cn/cache/43172dcb23532a27a7612143f012ef2b.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbbu/n94.cn/index.php on line 55 polynomial discriminant function是什么意思，polynomial discriminant function的翻译，polynomial discriminant function音标、读音、用法和例句_94生活常识网有道词典