on course

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。