The improvement on solving Earth Orientation Parameters (EOP) model is introduced. The improved model is more conformable to high precision of SLR data and is used in multi-arc method.
详细介绍了与SLR观测资料的高精度相适应的解EOP模型的改进，并且在复弧法中使用这个改进模型。
The hydrodynamic lubrication performance of rectangle, inclined plane, circular-arc, triangle, multi-arc and sine surface texture was researched with CFD method based on N-S equation.
采用基于N - S方程的CFD方法，研究矩形、斜面台阶形、圆弧形、三角形、多圆弧形以及正弦形织构表面的动压润滑性能。
Multi-Arc Ion plating technology is an improved method of Ion plating and it is a surface coating technology that uses arc as the fountain of vaporizing.
多弧离子镀技术是离子镀技术的一种改进方法，它是把弧光放电作为金属蒸发源的表面涂层技术。
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