It consists of a bulge above the referenceplane and a bulge below the referenceplane, adjacent to each other but on opposite sides of the visual field.
它由在参考平面上面和下面的两个凸出部分组成，这两个凸出部分彼此相邻，但处在视野的相对的两面。
2
Boundary points are calculated using a referenceplane characteristic scheme with the viscous terms treated as source terms.
边界点采用参考平面特征线格式计算，粘性项作为源项处理。
3
DIHEDRAL, the Angle between the wing referenceplane and water line.