子午线

This car is fitted with radial tyres.

这辆车配有子午线轮胎。

Radials can help give a car better control.

子午线轮胎有助于更好控制汽车。

All places on the same meridian have the same longitude.

在同一子午线上的方都有相同的经度。

Terrestrial longitude is measured in degrees east or west of the Greenwich meridian.

球的经度是用格林尼治子午线向东或向西的度数来表示的。

The course which will cut each meridian at the same angle is termed a rhumb line.

与每一子午线相交成同一角度的航向叫恒向线。