翼弦，梁或框架的结构部件。

CHORD, a structural component of spars or frames.

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基于扇翼机的飞行原理，提出通过改变攻角以及增加尾部升力面弦长的方式提高气动效率，进而实现垂直升降的方法。

Based on the principle of flight of fan wing aircraft, realizing methods of VTOL are preposed by changing the Angle of attack and increasing chord length of the tail.

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格宽翼弦比是影响栅格翼气动特性的一个重要几何参数。

The width to width ratio of grid fin was an important parameter influencing the aerodynamics of grid fins.

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