Warning: file_put_contents(/www/wwwroot/ppbbu/laei.cn/cache/16e387b8b4cb553967a4727c5bef104b.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/laei.cn/index.php on line 58 proper value of matrix是什么意思，proper value of matrix的翻译，proper value of matrix音标、读音、用法和例句_按摩法牛津词典