名词
中文翻译：无线电指数
同义词：
['radio index', 'radio frequency index']
例句：
-
1. The radio index is a measure of the strength of the radio signal.
无线电指数是衡量无线电信号强度的指标。
-
2. The radio index has been increasing steadily since last year.
自去年以来，无线电指数一直在稳步上升。
-
3. The radio index is closely related to the stock market performance.
无线电指数与股票市场表现密切相关。