有规律的重复活动如声波、光波、无线电波都有一个特定的频率,或者说是每秒的波动次数。
Regular repeating actions such as sound waves, light waves, or radio waves have a certain frequency, or number of waves per second.
最终的潜在原因是近几十年来吃零食和外出就餐的次数增加,这不仅体现在其发生的频率上,还体现在其对我们整体能量摄入的影响。
The final potential cause is an increase in snacking and eating out over recent decades both in terms of how often they happen and how much they contribute to our overall energy intake.
会谈的次数,频率和方式应该根据每个人的治疗需要决定。
The number, frequency, and type of sessions should be based on the treatment needs of each person.
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