... longitudinal damping 纵向阻尼 longitudinal dihedral 纵向上反角;平尾装配角 longitudinal divergence 纵向发散 ...
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longitudinal dihedral angle 机翼和尾翼安装角之差
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The changes in dihedral of front wing and cathedral of rear wing have little effect on longitudinal aerodynamic characteristics but large effect on lateral-directional characteristics.
改变连翼机前翼上反角和后翼下反角对纵向气动特性影响不大，对横向气动特性有明显影响。
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