The Arctic Sea was heading to Africa with all of its communications and navigation equipment shut down, as ordered by the hijackers, "Serdyukov said."

按劫持者的命令，‘北冰洋’号被迫关闭了所有的通讯和导航设备，驶向非洲。

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Onboard equipments include radio communications and navigation for the pupil pilot to gain the basic skills of flight control and navigation instruments.

机载设备包括无线电通信和导航用于学员飞行员获得航空管制和导航仪表的基本技能。

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Eventually, the accelerated electrons become trapped in the Earth's radiation belts, where they can interfere with satellite communications and navigation.

最后，这些被加速的电子束陷入地球的辐射带之内，可以对卫星通讯和导航系统产生干扰。

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Navy pilot Scott Carpenter, for example, was well trained in communications and navigation.

VOA: special.2009.06.10

So he helped with Mercury's communications and navigation systems.

VOA: special.2009.06.10

In the navy,he learned all about navigation,mathematics, mechanics,communications and electronics engineering.

VOA: special.2010.05.30

Four buttons with infrared sensors on the rotary controller allow switching between different menus, such as audio, apps, communications and navigation.

ENGADGET: Garmin multi-sensor controller concept replaces touchscreen interface with in-console dial rig

Garmin's new multi-controller concept provides a new and unique way of controlling essential functions of an in-car infotainment system, such as audio, apps, communications and navigation.

ENGADGET: Garmin multi-sensor controller concept replaces touchscreen interface with in-console dial rig

The exercises train U.S. submarine crews to deal with craggy ice keels that extend 20 to 50 feet into the water, and varying salinity levels that complicate communications and navigation under the ice cap.

FORBES: U.S. Navy Scrambles for Piece of Arctic Pie