Warning: file_put_contents(/www/wwwroot/ppbbbu/oiqp.com/cache/a9124bc91da5837d4e1fcc8e3686cc5a.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbbu/oiqp.com/index.php on line 55 relaxation-time approximation是什么意思，relaxation-time approximation的翻译，relaxation-time approximation音标、读音、用法和例句_奇葩剧汉英词典