目前，国内外学者很少有对遗址土掏蚀现象作出系统全面的分析。
Presently, domestic and international scholars hardly analyze the backoff of wall bases of earthen sites systematically.
保护层厚度主要对初次入射原子氧的入射过程有影响，加厚保护层可以减小原子氧的掏蚀深度和掏蚀空腔的宽度。
The width of the atomic oxygen undercut cavity varies with the thickness of the protective coatings, and the depth of undercut cavity also sees a small change.
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