Upon approach the F-4 lost all navigational instruments and communications.

进近后， F-4 失去了所有导航仪器和通信。

It is equipped with a full complement of navigational instruments, as well as an autonomous hover system on the front side of the cockpit control panel.

它配备了全套导航仪器，以及位于驾驶舱控制面板前侧的自主悬停系统。

Long before the development of, uh, advanced navigational tools in Europe, Pacific islanders were travelling from New Zealand to Hawaii and back again, using nothing but the stars as their navigational instruments.

早在欧洲开发出，嗯，先进的导航工具之前，太平洋岛民就从新西兰到夏威夷往返旅行，只使用星星作为他们的导航仪器。