海图

The ship had drifted into uncharted waters.

漂到了海图上未载明海域。

The course of a ship is marked on a chart.

航线是标在航海图上。

The navigator charted the course of the ship.

领航员在航海图上标出航线。

Gnomonic charts are published covering the Atlantic, Pacific and Indian Oceans, except for an equatorial belt in each ocean.

出版大圆海图覆盖大西洋，太洋和印度洋（各大洋近赤道带水域除外）。

Sophisticated instruments which were to make possible the European voyages of discovery, such as the astrolabe , the quadrant, and good navigational maps, were also developed by Muslims.

复杂仪器使得欧洲人得以进行海上探险,例如、限仪及好航海图都是由穆斯林所发明。