Warning: file_put_contents(/www/wwwroot/ppbbu/laei.cn/cache/e08e8591a71528f5d67ef3a87d429272.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/laei.cn/index.php on line 58 canonical commutation是什么意思,canonical commutation的翻译,canonical commutation音标、读音、用法和例句_按摩法牛津词典