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//Layer Database Extended File (.DBX) //FieldName, FieldAlias, FieldVisiable, Display Width(mm) "LENGTH", "长度", TRUE, 20.000000 "RIVER", "序号", TRUE, 20.000000 "RIVER_ID", "线性要素标识符", TRUE, 20.000000 "LY1", "内外流区", TRUE, 20.000000 "LY3", "所属流域", TRUE, 20.000000 "LY4", "流域号", TRUE, 20.000000 "HL", "流域内河流序号", TRUE, 20.000000 "JB", "河流级别", TRUE, 20.000000 "GS", "归属河流序号", TRUE, 20.000000
