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1·Gimbal lock is a phenomenon that easily affects Euler Angle representations.

万向节锁是一种容易影响到欧拉角表现的现象。

2·The problem of discontinuousness of Euler angle when tooling along circle trace is solved in this paper.

在刀具加工圆轨迹的情况时，会出现欧拉角不连续的现象，文中对此提出解决方法。

3·Parallel Machine Tool; CAD Variation Geometry; Euler Angle; Kinematics; Statics; Free-form Surface; Forward position.

并联机床；CAD变量几何；欧拉角；运动学；静力学；自由曲面；位置正解。

4·The traditional control method of Euler angle can't suit the case of large angle maneuvering control because of the phenomena of coupling and singularity.

传统欧拉角控制方法在处理大姿态角机动时往往出现奇异和交联问题。

5·The flow chart of optimizing ASP climb track is designed by adjusting some parameters of Euler angle, attack angle, turbine and rocket-ramjet combined cycle work models, etc.

以涡轮和火箭冲压组合动力的工作模式以及飞行器飞行航迹角、迎角等为调参量，构造空天飞行器爬升轨迹优化流程。