衰减 shuāijiǎn to weaken
to weaken; to attenuate
怎么记住“衰减”: 衰 weak + 减 decrease = to weaken.
汉字
用法
- To attenuate / weaken gradually - 信号衰减 (xìnhào shuāijiǎn) signal attenuation; 强度衰减 (qiángdù shuāijiǎn) intensity decay.
- Technical/scientific register (physics, engineering) for a measurable decline in strength.
- 衰 read shuāi. Narrower than everyday 减少 (jiǎnshǎo, decrease in amount).