Warning: file_put_contents(): Only 0 of 6678 bytes written, possibly out of free disk space in /home/www/wwwroot/zidian/totle.com.cn/index.php on line 55 counter time-lag是什么意思，counter time-lag的翻译，counter time-lag音标、读音、用法和例句_乐豆毛深蓝词典
It is hard to build a precise math model for counter-gravity casting process for its time lag, uncertainty and complexity. 由於反重力鑄造過程的時滯性、不確定性、複襍性，難以建立精確的數學模型。