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。
The instrument for measuring the parallel of the multi?axis optical system with video output was designed.
设计了用于测量输出为视频图像信号的多光轴光学系统的光轴平行度校正仪器。
The error analysis shows that the present indexing method seems to be available to the cases of the zone axis both parallel and inclined to the optical axis of SEM.
误差分析表明，本注释方法不但适用于晶带轴平行于扫描电镜光轴的情况，而且适用于晶带轴倾斜于光轴的情况。
The optical axis of uniaxial substrate is either perpendicular or parallel to the substrate plane.
单轴介质的光轴方向既可平行又可垂直于介质分界面。
The method of tuning is rotating the wave-plate by the axial direction parallel to the optical axis.
调谐的方法是使石英波片绕平行于光轴的轴向转动。
The optical system moves in translation parallel to the rotational axis (22) to scan the sample.
光学系统在平行于转动轴方向(22)上平位移动以便扫描该样本。
The optical system moves in translation parallel to the rotational axis (22) to scan the sample.
光学系统在平行于转动轴方向(22)上平位移动以便扫描该样本。
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