Study results indicate that the surface scarps of the Pinggu area are river erosion scarps.
研究结果表明，平谷地区的地表陡坎是河流侵蚀陡坎。
"Pinggu" here means Pinggu District, the original planting area of Pinggu Fresh Peach. We are now in possession of its international intellectual property rights.
“平谷”证明商标是“平谷鲜桃”的地域标志。拥有国际知识产权。
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