1·I began to work feverishly on the radio beacons.
我开始拼命地研究无线电信标。
2·For some time the German bombers had navigated largely by radio beacons.
有一个时期，德国轰炸机主要是靠无线电定向信标来导航的。
3·Pilots, for example, need to know it so they can recognize the location code sent out by radio beacons.
举例来说，领航员必须要知道电码，这样他们才能辨识出无线电台送出的位置代码。
4·In the 20th century, radio beacons and satellite networks allowed aircraft and ships to determine their position.
在20世纪，无线电信标台与卫星网络让飞机和船舰确定其位置。
5·Actually painted bright orange, these recorders are equipped with "pingers" or radio and acoustic beacons that aid in their retrieval.
“黑匣子”实际上呈亮橙色，并安装有“声波发生器”，即无线电和声波的信号发射器，以利于事故后的搜寻工作。
6·In rescue missions, the helicopter crew drop radio-beacons to mark the distress area and deliver rescue teams to aid and recover the casualties.
在救援中，机组人员可以空投无线电信标标定出救援区域，以便救援人员进行搜索。