word exposure frequency 单词出现频率
frequency of medical exposure 医疗照射频率
Exposure to radio frequency energy 射频能量照射
The study examines the effects of topic familiarity (more familiar, less familiar) and exposure frequency ( 1 exposure, 3 exposure, 6 exposure ) on intermediate Korean learner’s incidental vocabulary acquisition by reading Chinese. A with-in subject design was used here.
本文研究了在汉语作为第二语言的阅读过程中,话题熟悉度(话题熟悉,话题不熟悉)和词频(词语在文章中出现1次,3次,6次)对中级韩国学习者的伴随性词汇习得的影响。
参考来源 - 话题熟悉度和词频对中级韩国学习者伴随性词汇习得的影响·2,447,543篇论文数据，部分数据来源于NoteExpress
Exposure to loud noises can definitely produce a partial or complete loss of hearing, depending on the intensity, duration, and frequency composition of the noise.
暴露在巨大的噪音中肯定会造成部分或完全的听力丧失，这取决于噪音的强度、持续时间和频率组成。
In fact, due to their lower frequency, at similar RF exposure levels, the body absorbs up to five times more of the signal from FM radio and television than from base stations.
事实上，由于频率较低，在射频接触水平相同的情况下，人体从调频收音机和电视吸收的信号比从基台吸收的信号要多四倍。
But some consumers offered ideas on how to limit exposure to radio frequency waves... which includes talking a bit less.
但是一些消费者提出限制接触无线电波的方法，其中包括少说话。
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