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- Abstract ： Objective： To study the characteristics of critical twinkle visual frequency for different color of light in manic patients. 摘要 ： 目的 探讨躁狂型精神分裂症患者对不同色光的临界闪烁视频率的特性。
- Conclusion： There are no significant differences of critical twinkle visual frequency for red, yellow and green of light in manic patients. 结论：躁狂型精神分裂症患者对红、 黄、 绿色光的临界闪烁视频率， 无显著性差异。
- Visual Frequency Inspection System of Tracks 轨道视频检查系统
- digital visual frequency network 数字视频网
- digital visual frequency switching service 数字视频交换业务
- digital visual frequency circuit service 数字视频电路业务
- Design of Visual Frequency Control Net Base on CAN Bus 基于CAN总线的视频控制网络的设计
- Her designs have a strong visual appeal. 她的设计在视觉上很有感染力。
- Telescopes and microscopes are visual instruments. 望远镜和显微镜是光学仪器。
- Near-sightedness is a visual defect. 近视是一个视力缺陷。
- Primary school teachers use a lot of visual aids. 小学教师使用大量的视觉教具。
- He varied the transmission frequency. 他变换了无线电传送的频率。
- A unit of frequency equal to one cycle per second. 赫兹频率的单位，等于每秒一周
- Fatal accidents have decreased in frequency over recent years. 近年来死亡事故发生的频率已经下降。
- Aerial navigation by visual identification of landmarks. 地标领航用可视地标来进行飞机航行
- We can often correlate age with frequency of illness. 年龄的大小往往与发病率有关。
- Accidents on that highway are happening with increasing frequency. 那条高速公路上车祸发生得越来越频繁。
- A device that gives information in a visual form, as on a screen. 显示器，指示器一种以视觉方式显示信息的装置，如荧光屏显示
- He tuned his radio to the police frequency. 他把无线电调到警方的频率。
- Increased Recon UAV visual range from 325 to 375. 更改了侦查兵侦察机的可见范围从原来的325增加到375。
