Simply put, a delta-wing is a triangular wing planform.
简单地说，三角
就是三角型的
。
图,俯视图Simply put, a delta-wing is a triangular wing planform.
简单地说，三角就是三角型的。
The observed deltas are highly two-dimensional in planform, adopting palmated structures which retain throughout their evolution a high degree of mirror symmetry.
验观察到的三角洲，为一高度
维蹼狀发展且镜对称的构
。
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