频率

• Pinyin: pín lǜ
• Desglose de hanzi: 频 = 步 + 页 (step + leaf — repeated successive occurrences); 率 = 糸 + center components (thread — ratio/rate)

Significado

Frecuencia.

Used in physics (无线电频率), communications, and everyday language (发生频率, 出现频率). 频率高/低 = high/low frequency. 调整频率 = to adjust frequency. Also used figuratively for the frequency of habits, events, or communications.

Ejemplos

1. 该无线电台的广播频率为九十三点五兆赫，覆盖范围涵盖整个城市及其周边的大部分区域。
2. 近年来极端气候事件的发生频率显著上升，科学界普遍认为这与人类活动导致的气候变化密切相关。
3. 脑电波的频率因人的意识状态不同而有所差异，深度睡眠时频率最低，高度专注时则相对较高。

Guía de uso

Contexto: science, technology, communications, daily life

Tono: neutral

Correcto

• 根据测量数据，这台发电机在满负荷运行时输出电流的频率偏差超过了允许范围，需要立即进行校准调整。(According to the measurement data, the frequency deviation in the output current of this generator under full load exceeds the permissible range and requires immediate calibration.)
• 心理学研究发现，两个人沟通的频率与关系质量之间呈现出显著的正相关，定期深入交流有助于维系亲密感和相互理解。(Psychological research has found a significant positive correlation between the frequency of communication between two people and the quality of their relationship — regular, in-depth exchanges help sustain intimacy and mutual understanding.)

Incorrecto

• 频率 in technical contexts has a precise unit — avoid using it loosely in formal scientific writing where 次数 or 比例 might be more precise depending on the measurement

Origen e historia

频 (frequent — 步 step + 页 page — repeated occurrences in succession) + 率 (rate, ratio)

Contexto cultural

Generación: All ages

Contexto social: Universal