[{"title":"(2个子文件510KB)翼型数据1500组(含坐标点、最大升力系数、最佳安装角、最大升阻比等)","children":[{"title":"1500组翼型数据表格(坐标点).xls <span style='color:#111;'>2.21MB</span>","children":null,"spread":false},{"title":"1500组翼型数据(CL_angle——clcd).xls <span style='color:#111;'>49.25KB</span>","children":null,"spread":false}],"spread":true}]