Reform the definite orientation method used for up the pose gyrotheodolite, put forward the principle and the method of converse point to definite orientation at under the pose gyrotheodolite.
结合仪器的特点，对用于上架式陀螺经纬仪的逆转点定向方法进行改造，提出了逆转点定向方法在下架式陀螺经纬仪中进行观测的原理和方法。
The key of the precision analysis of the PMT is to establish cutting tools pose error model, and put forward the establishing idea of error model of the PMT.
接着指出并联机床精度分析的关键是建立刀具位姿误差模型，并提出并联机床误差模型的建立思想。
The key of the precision analysis of the PMT is to establish cutting tools pose error model, and put forward the establishing idea of error model of the PMT.
接着指出并联机床精度分析的关键是建立刀具位姿误差模型，并提出并联机床误差模型的建立思想。
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