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
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