This makes it possible that laser scanning projection display can expand its applications to some special field.
这些优点为激光扫描投影显示在一些特殊领域的扩展应用提供了可能。
A trigonometric projection method based on fixed laser scanning points for measuring 3-d large building is proposed.
提出一种基于固定激光扫描点的三角投影法测量建筑物大目标三维尺寸的方法。
Now the existing direct volume CT methods face two difficulties:first, how to get the projection data to reconstruct the 3D image exactly, including whether the scanning structure is practical;
目前直接体积CT主要存在两大困难：一是如何获得三维图像精确重建所需的投影数据，包括扫描方式的可实现性；
A New Method of Measuring the Origin of the 3d-ct scanning system projection coordinates with high accuracy.
一种新的三维ct扫描系统投影坐标原点高精度测量方法。
A lithographic scanning apparatus includes a light projection device for seamlessly and uniformly projecting a scanning light onto a light exposing area.
一个平版印刷扫描设备包含一个用以无缝隙地，均匀地投射一扫描光到曝光区域上的光投装置。
A lithographic scanning apparatus includes a light projection device for seamlessly and uniformly projecting a scanning light onto a light exposing area.
一个平版印刷扫描设备包含一个用以无缝隙地，均匀地投射一扫描光到曝光区域上的光投装置。
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