The gyroscope compass makes the vessels keep on the fixed course voluntarily.
陀螺罗盘自动使船只保持在预定的航线上。
Analysis and Forecast of Cargo Quantity on Sino-US Routes for Shanghai Airlines Cargo International Company;
上货航中美航线货运量的分析与预测
Good morning. I have a reservation on your11:00 flight to Los Angles.
早上好。我在11点飞落杉矶的航班上预定了坐位。
The ship's course was plotted on a chart.
船的航线被标绘在航海图上。
plot a ship's course on a chart
把一艘船的航线标在航海图上
The navigator charted the course of the ship.
领航员在海图上标出船的航线。
The distance sailed due east or west by a ship on its course.
航程船在其航线上朝正东或正西方航行的距离
(transportation) on a regular route of a railroad or bus or airline system.
（运输业）在铁路、公路或定期航线系统的规则线路上的。
VMG - Velocity Made Good
沿计划航线上的航速
Our ship is on the course to africa
我们的船行驶在去非洲的航线上。
It is often economical to orient the flight lines in one direction rather than another.
把航线定向在某一方向上住住会比定向在另一方向上更加经济。
A tramp steamer.
不定航线的不定期货船
keep under the lee of land
保持在海岸挡风航线上
Flies planes for World Airlines
在世界航线上飞行。
Splash-down is scheduled for 5.30 am.
航天器的预定溅落时间为上午5时30分.
a line on a sphere that cuts all meridians at the same angle; the path taken by a ship or plane that maintains a constant compass direction.
在地图上示为以同样角度穿过所有子午线的一条线；飞机或船的维持固定的方向航行路径。
a fixed line on a ship's compass indicating its heading.
船的罗盘上一条固定的线，表示船的航向。
Airlines in Japan and Singapore offer Wi-Fi on their planes.
日本和新加坡的航空公司在飞机航班上都备有无线上网。