| 释义 |
low-frequency
释义
n. 低频
adj. 低频的
例句
1·This focusing is the main reason that even relatively weak sounds in the ocean, especially low -frequency ones, can often travel thousands of miles.
正是由于这种集声，即使是海洋中相对微弱的声音，尤其是低频声音，也能传播数千英里。
2·The researchers pointed out that low -frequency processes, such as fluctuations in stream flow and groundwater levels, would not usually be apparent to human populations.
研究人员指出，低频过程诸如河流流量和地下水水位的波动，通常不会对人类产生明显影响。
3·What is needed is a system that USES low -frequency radio waves.
这需要的是一种利用低频无线电波的系统。
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