scutellar angle

例句：

1. 1. The bird'sscutellar angle is a crucialfactor in its flight pattern.
   鸟的翼展角度是其飞行模式的关键因素。
2. 2. Thescutellar angle of theaircraft is measured to ensure stability during takeoff.
   飞机的翼展角度被测量以确保起飞时的稳定性。
3. 3. The scutellar angle of the wings is critical forthe aircraft's maneuverability.
   翼展角度对飞机的机动性至关重要。