Objective To investigate the effect of spatial and temporal frequency on the Sweeppattern visual evoked response acuity (SPVER-A).
目的研究时间频率和空间频率对扫描图像翻转诱发电位视力准确度的影响。
2
The flooding pattern of a area is optimized according to the distribution rule of the fractures. Productivity and waterflooded sweep efficiency of this oil reservoir raised effectively.