Wood, J. M. , et al. , " Effects of the 1989 San Francisco earthquake on frequency and content of nightmares. " J Abnorm Psychol, 1992. 101(2): p. 219-24.
等〈 1989年旧金山大地震对恶梦发生频率以及恶梦的内容的影响〉 《变态心理学期刊》，1992。101（2）：219-24页。
AIM: To investigate the sensibility of pattern visual evoked potential (P-VEP) on the diagnosis of glaucoma in different temporal frequency.
目的：探讨图形视觉诱发电位(P - VEP)在不同时间频率对原发性青光眼诊断的敏感性。
The intrinsic frequency of P-wave increases because of existence of apparatus and its amplitude has been influenced by velocity ratio of P-wave vs S-wave.
纵波的固有频率因仪器的存在而增大，纵波幅度还受地层的纵、横波速度比的影响。
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