| 摘要 |
An aerofoil structure including an elongate hollow container 1 which, in use provides an aerofoil cross-section between the longer edge regions 5,6 of the container 1. Elongate means 27 are provided for so stiffening the leading edge region 5,6, that when the structure is in use the end regions of the container are permitted to deform out of the plane of the remainder of the width of the container - whilst this remaining part of the container width is kept substantially undeformed.
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