海图

The course of a ship is marked on a chart.

轮船的航在航上的。

The navigator charted the course of the ship.

领航员在航上出船的航。

The ship had drifted into uncharted waters.

船漂到了上未载明的域。

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

出版大圆覆盖大西洋，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.

复杂的仪器使得欧洲人得以进行上探险,例如星盘、象限仪及好的航由穆斯林所发明的。