The controls included collective, cyclic and differential pitch, the latter being obtained by rotating the stick handle which made the helicopter turn on its vertical axis.
这些控件包括集体，循环和差别音高，后者是通过旋转棒处理这使得在其垂直轴直升机又获得。
Conclusion The axis of "no man's land" can be used as a index of differential diagnosis of wide QRS complex tachycardia.
结论无人区电轴可以做为宽qrs波群心动过速鉴别诊断的一项指标。
Kinematic equation is established for a two-parallel-axis differential through vibration method, and also the working principles of this differential are investigated.
作者从动态分析出发，建立了并列双轴差速器的运动方程序，并对其工作原理和有关参数进行探讨。
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