Warning: file_put_contents(): Only 0 of 6094 bytes written, possibly out of free disk space in /home/www/wwwroot/zidian/201990.com/index.php on line 55 bifilar helix例句_bifilar helix英汉例句_bifilar helix双解例句_耀久九英英词典
Characteristics equations and experiment results are given. It is shown that the performance of new multifilar helices is better than that of the corresponding bifilar helix. 给出了特性方程和实验结果，表明新型多螺旋线的性能要优于相应的双螺旋线。