理论表明，在纵向结构不变的情况下，如果提高工艺水平，减小器件的横向尺寸，其性能就可以得到大幅度的提高。
In theory, with the vertical structure and size unchanged, the performance of device can significantly improve by improving the fabrication process and reducing the lateral size.
采用了动态聚焦的方法，能使整个扫描过程中，焦点一直落在相干门内，保证横向分辨率是不变的。
With the method of dynamic focus, the focus point can be located in the coherence gate during the whole depth scanning. So, the lateral resolution keeps constant.
并在基层条件不变的情况下，分析和讨论了沥青面层厚度对横向裂缝间距的影响。
Then the influences of the thickness of the asphalt pavement on cross cracks are analyzed and discussed.
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