An maximum likelihood registration algorithm based on earth-centered earth-fixed (ECEF) coordinate system is presented.

提出了一种基于地心坐标系（ECEF）的传感器极大似然配准算法。

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In this paper, a new finishing machining method - Electrochemical Mechanical finishing (ECEF) is put forward, and the mechanism of ECEF is explained in detail.

在本文中，提出了一种新型的光整加工方法—电化学机械复合光整加工(ECEF)，并详细的论述了其加工原理。

youdao

In this paper, a new finishing machining method - Electrochemical Mechanical finishing (ECEF) is put forward, and the mechanism of ECEF is explained in detail.

在本文中，提出了一种新型的光整加工方法—电化学机械复合光整加工(ECEF)，并详细的论述了其加工原理。

youdao