Warning: file_put_contents(/www/wwwroot/ppbbu/4cd.cn/cache/a3f968eb2a9b73aa8446d29b97625438.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/4cd.cn/index.php on line 55 random variable of mixed type是什么意思，random variable of mixed type的翻译，random variable of mixed type音标、读音、用法和例句_沉淀汉英词典