This wave of newcomers was being guided by sat nav .

这个新来的浪潮正在由于导卫星导航造成的。

Look at the rounded rectangle that holds this nav block together .

观察一下包裹全局导航块的圆角矩形。

Radios : the 737 has three communication ( comm ) radios and three navigation ( nav ) radios .

无线电系统：波音737具有三套通讯（comm）无线电系统和三套导航（nav）无线电系统。

Mom and dad have their phones , then there 's junior 's music player , the nav device -- you get the picture .

爸妈都有他们的手机，还有长辈们的音乐播放器，还有导航设备你在脑海想想那个画面吧。

A big benefit beyond these savings is that nav canada has revolutionized air traffic control in canada , putting the country decades ahead of united states in air traffic control .

除了上述收益，一个很大的好处就是navcanada公司变革了加拿大的航空交通管制，使其领先美国的航空交通管制几十年。