1) Installation of wires and conductors without navigation interruption
不封航架线
2) tie flight
构架航线
3) closed traffic
航线的封闭
4) unavailable sailing course
不可航行线
1.
Applying the Mathematica Software,surveying technology of trigonomentrical interpolation,surface fitting and the combination of unavailable sailing courses,we obtain a picture about available sailing area in estuary,with which the risk levels are shown.
充分运用M athem atica数学软件,通过小三角插值法、曲面拟合及不可航行线组合,最终得到一幅可知危险度的港湾可航行区域图。
5) contract carrier
不定航线船
6) tramp navigation
不定线航行
补充资料：架线式电机车
架线式电机车
架线式电机车
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条