Warning: file_put_contents(/www/wwwroot/ppbbbu/oiqp.com/cache/294c10d770128dfe88bc5a3b6242e34d.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbbu/oiqp.com/index.php on line 55 counter lag-time例句_counter lag-time英汉例句_counter lag-time双解例句_奇葩剧汉英词典
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。