chord ratio中文是什么意思

• 展弦比

• chord    n. 1.〔诗〕(琴)弦；(心)弦；【音乐】和弦，和(谐 ...
• ratio    n. (pl. ratios) 1.比，比率，比值；比例 ...
• cascade pitch-chord ratio    栅距-叶弦比
• chord-diameter ratio    弦径比
• chord-gap ratio    弦长栅距比
• chord-spacing ratio    叶栅稠密度
• face camber to chord ratio    叶面拱度与弦长比
• gap chord ratio    节弦比
• gap-chord ratio    节弦比; 翼隔弦长比
• high span chord ratio    大展弦比
• low span chord ratio    小展弦比
• pitch chord ratio    节弦比
• pitch-chord ratio    节距弦长比; 节弦比; 栅距弦长比
• ratio of blade thickness to chord    叶片厚度与叶弦之比
• span-chord ratio    展弦比
• stern chord ratio    尾弧比
• strut spacing to chord ratio    支柱间距舷长比
• strut submergence to chord ratio    支柱浸深舷长比
• strut thickness to chord ratio    支柱剖面厚度比
• thickness-chord ratio    厚弦比
• cascade of small pitch-chord ratio    小栅距弦长比的叶栅
• a chord    东城卫; 谢和弦
• chord    n. 1.〔诗〕(琴)弦；(心)弦；【音乐】和弦，和(谐)音。 2.【航空】翼弦；【数学】弦；【解剖学】腱，带；【建筑】弦材，桁材。 the major [minor] chord大[小]三和弦。 the spinal chord脊髓。 the chord organ 和音(电子)风琴。 vocal chords 声带。 strike a responsive chord打动对方心弦。 touch the right chord 触及心弦。 vt. 上…的弦；调(弦)。 vi. 1.调和，和谐。 2.弹奏。
• in chord    以弦长为单位
• aerodynamic chord    平均空气动力弦; 气动翼弦

• The focuses of this paper are on flight environment simulation and high span - chord ratio uav model
  本文的工作就是围绕飞行环境模拟和无人机动力学仿真展开。
• For the first time , flight simulation related to high span - chord ratio uav based on variable windfield is executed , the facticity of windfield and its influence to flight performance curve are analyzed . 5
  首次针对大展弦比无人机，进行变化风场中飞行仿真，讨论各风场模型的真实性及其对飞行性能曲线的影响； 5
• The results show that the drag of grid fins is little affected by width to chord ratio , the normal force of grid fins was large , and that the smaller was the ratio , the better was the characteristics of the grid fins ' s normal force in tested sizes of width to chord ratios
  结果显示，在所选择的格宽翼弦比范围内，格宽翼弦比对阻力的影响不大，对法向力有明显的影响，格宽翼弦比越小法向力特性越好。