弧矢聚焦晶体单色器研制项目中。
Hinge technology is used to study focusing behavior of a sagittal focusing crystal monochromator.
为弧矢聚焦晶体单色器的工程设计和工艺实施提供了有力依据。
We got much useful data and supply stronger warrant to the engineering design of the sagittal focusing monochromator.
还指出仅当柱面或平面光栅时，才能形成二阶子午无离焦平场和弧矢无象散圆场谱面。
It is also shown that only when the gratings are cylinder or plane ones, the second order sagittal anastigmatic circular field and meridional non defocus flat field spectral images can be formed.
简要介绍了弧矢聚焦双晶单色器的作用及基本原理，描述了离线测量弧矢聚焦双晶单色器出射光斑位置的方法。
The paper introduced the effect and principium of Sagtital focusing double crystal monochromator , and described measurement for positon of facula from Sagtital focusing double crystal monochromator.
所作近似弧长参数化曲线在插值节点处，近似弧长是精确的，并且具有与精确弧长参数曲线同方向的单位切矢。
At any knots, the nearly arc length are precise for the resulting nearly arc length parametric curve, and it has the unit tangent same as that of the real arc length parametric curve.
所作近似弧长参数化曲线在插值节点处，近似弧长是精确的，并且具有与精确弧长参数曲线同方向的单位切矢。
At any knots, the nearly arc length are precise for the resulting nearly arc length parametric curve, and it has the unit tangent same as that of the real arc length parametric curve.
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