平顶
3.Distribution Features of Borehole Temperatures in the Miaoergou Flat-topped Glacier,East Tianshan Mountains
6.Houses built within flood storage and detention areas shall have flat roofs.
7.Article 34 Flood control work should focus on large and medium--sized cities, trunk lines of major railways and highways as well as large--sized key enterprises and their safety be guaranteed.
9.Propagating Property of Partially Coherent Flattened Gaussian Beam Passing through ABCD Optical Systems

