frequency中等

Their frequency has markedly decreased.

它们的频率显著下降。

Researchers analysed the frequency and impact of gaps greater than 2 seconds during conversations, including an overview of previous studies which indicate that the fear of awkward silences can be so extreme that people avoid talking to strangers, even though doing so is likely to be an enjoyable experience.

研究人员分析了谈话中超过2秒的停顿出现的频率及其影响，其中包括对以往研究的综述，这些研究表明，人们对尴尬沉默的恐惧可能极其强烈，以至于会避免与陌生人交谈，尽管与陌生人交谈很可能是一种愉快的经历。

Data can be gathered on where the customer can be engaged, such as location, devices used, website interactions, and sites visited, to display marketing messages in appropriate forms, including emails, social media posts, pop-up advertisements, and banners at an appropriate frequency.

可以收集关于在何处能够吸引客户的数据，如地理位置、所用设备、网站互动和访问过的网站，以便以恰当的形式、按恰当的频率展示营销信息，包括电子邮件、社交媒体帖子、弹窗广告和横幅广告。

Though often viewed as a problem for western states, the growing frequency of wildfires is a national concern because of its impact on federal tax dollars, says Professor Max Moritz, a specialist in fire ecology and management.

火灾生态与管理专家马克斯·莫里茨教授说，尽管日益频繁的野火常被视为西部各州的问题，但由于它对联邦税款的影响，这已成为一个全国性的问题。