本文给出近似解析公式，确定空气动力迟滞引起的飞机横航向极限环振荡特性。

This paper presents an approximate analytic method which determines the characteristics of aircraft lateral-directional limit cycle oscillation induced by aerodynamic hysteresis.

youdao

相反横点，锡环哪些是焊管交替16管组成，每个组成铜，铅和铁，铅。

Opposite the horizontal point, a ring of tin to which are welded tubes alternatively 16 tubes composed each composed of copper-lead and iron-lead.

youdao

相反横点，锡环哪些是焊管交替16管组成，每个组成铜，铅和铁，铅。

Opposite the horizontal point, a ring of tin to which are welded tubes alternatively 16 tubes composed each composed of copper-lead and iron-lead.

youdao