reference axis

For the time reference of resource allocation, the concentrator ( or tuner) to the time axis ( or channel) is divided into a series of super-frame.

对于时间参考的资源分配，集中器（或协调器）把时间轴（或信道）划分成一连串的超帧。

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Concentricity error is positioning error, The tolerance zone is a reference axis for axis, with tolerance values for diameter cylinder.

同轴度误差属于定位误差，其公差带是以基准轴线为轴线、以公差值为直径的圆柱面区域。

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TURCK's single axis inclinometer sensor measures angular tilt in reference to gravity.

图尔克的单轴测斜仪传感器测量与重力有关的角度倾斜.

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Finally, we work out the parameters of each waypoint according to the obstacle data within the terminal area, airport runway axis, the airport reference point.

并根据某机场终端区范围内障碍物数据、机场跑道轴线方向、机场基准点等数据进行计算，得到该机场的进近程序各个航路点的航迹参数。

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Therefore generator terminal voltage vector is selected as quasi-synchronous reference axis relative to rotor, and the generator model in two reference frames is established.

故选择机端电压矢量作为转子准同步参考轴，建立了基于单机二系坐标的发电机模型。

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