Warning: file_put_contents(/www/wwwroot/ppbbu/28094.com/cache/90ce8fc8260dee80fe6bc919e5ad663a.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/28094.com/index.php on line 55 conjugation line例句_conjugation line英汉例句_conjugation line双解例句_贰靶汉英词典
Based on the geometry characteristics of Bertrand surfaces, the complicated surface conjugation issue can be discussed with their directrix line. 在此基礎上給出了準線應滿足的基本條件、共軛曲麪的誘導曲率、不乾涉條件與準線曲率軸之間的關系等。