早上11点左右,导航飞机发现了一个鱼群,引导围网拖船开始以19节的速度突进。
Around 11 a. m., the spotter planes spied a school, setting the purse seiners on a 19-knot dash.
它在对云层、降水、冰雹和雷暴的气象探测以及在船舰和飞机的导航中,起着日益重要的作用。
It plays an increasingly important part in meteorology for cloud, precipitation, hail and thunderstorm detection as well as the navigation of aircraft and ships.
由于射频信号可能会干扰某些电子医疗装置和导航系统,在医院里和飞机上通常禁止使用移动电话。
Mobile phones are often prohibited in hospitals and on airplanes, as the radiofrequency signals may interfere with certain electro-medical devices and navigation systems.
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