Warning: file_put_contents(/www/wwwroot/zidian/biehu.cn/cache/43d721c807a1d996be8dab6fec4cca0a.txt): failed to open stream: No space left on device in /www/wwwroot/zidian/biehu.cn/index.php on line 58 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_甲百匯小鸡词典