very-high-frequency omnidirectional radio range
...directional radio range 多普勒甚高频全向天线电导航 very-high-frequency omnidirectional radio range 甚高频全向无线电信标 low frequency radio range 低频无线电频段 ..
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very-high-frequency omnidirectional radio range
高频全向无线电范围
以上为机器翻译结果，长、整句建议使用 人工翻译 。