The relation of ray axis and optical axis is discussed by using the optical wave camber of biaxial crystal.
利用二轴晶的光波面，对光轴与光线轴的关系进行了研究。
It indicates that the direction of ray axis and optical axis is identical by discussing the uniaxial crystal at last.
最后对一轴晶进行了讨论，结果表明此时光轴方向与光线轴方向一致。
And if the axis of rotation doesn't coincide with the line through the two hot spots, if the neutron star rotates, you're going to see X-ray pulsations.
不合这两点之间的线，相一致，如果中子星旋转，你会看到x射线脉动，当热点在这里。
Well, the first ray that we might want to consider is the one that goes along the X-axis.
我们要考虑的起始射线，是沿着x轴的射线。
Telecentric lens has parallel chief ray with its optical axis and is ideal for co-axial lighting.
远心镜头拥有与它的光轴平行的主光线，同轴照明是非常理想的。
X-ray diffraction and transmission electron microscopy establish that LCCO grew epitaxially inc-axis orientation on LCMO.
使用X射线衍射和透射电镜分析，表明异质结是c轴取向外延生长。
X ray diffraction (XRD) analysis reveals that degree of easy axis alignment of HD magnet is lower.
射线衍射测试表明HD磁体易磁化轴的取向度较低。
X ray diffraction (XRD) analysis reveals that degree of easy axis alignment of HD magnet is lower.
射线衍射测试表明HD磁体易磁化轴的取向度较低。
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