external Q外Q值externaladj.外来的；外部的；外面的；表面的n.外观；外部；外界事物external coiling外螺旋, 染色体螺旋external glazing装配外墙玻璃external aileron外加副翼External Linkage外部联系external canthus外眼角, 外眦external auditor外聘审计员external genital阴处external meshing外啮合external mixture外掺料external trimmer外微调电容