前进包络线

词组短语

angle of advance

与前进包络线相关的网络例句 [注：此内容来源于网络，仅供参考]

Along the forward spot, where the radius of the envelope is a hyperboloid, The hyperboloid has asymptote.

沿着光斑前进，各处的半径的包络线是一个双曲面，该双曲面有渐近线。