Presently, domestic and international scholars hardly analyze the backoff of wall bases of earthen sites systematically.
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.
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。
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