恒向航线
- 网络constant course line; rhumb-line course

恒向航线
constant course line
航海及海运专业词汇英语翻译(C) ... constant course line 等角航线 constant course line 恒向航线 constant course line 恒向线 ...
rhumb-line course
翻译资源百分百-气象学词汇英语翻译(15) ... rhumb line 恒向线 rhumb-line course 恒向航线 ribbon ice 带状冰 ...