They were a group of early navigators.

他们是一群早期的海家。

The navigator charted the course of the ship.

领员在海图上标出船的线。

He wasn’t good navigator, so it is necessary that the coastline remain in sight as he moved from one harbor to the next.

他不擅海，所以当他从一码头驶到另一码头时，得一直沿海岸线。

The man is a sixteenth Spanish navigator.

个人是十六世纪的海家。

A minimally invasive reflective array, tool navigator, and a registered burr were used for localization and deroofing of the lesion, followed by curettage and highspeed burring of the cavity.

运用微创反射阵列、导工具和校正钻孔器进定位，然后肿瘤去顶、刮除、高速磨光病灶腔。