光栅装置 meaning in English

grating instrument

Abney mounting for concave grating
阿布饰凹面光栅装置
The drawing mode is for raster devices only ; it does not apply to vector devices
绘图模式仅用于光栅装置；它不用于向量装置。
Conclusions : traditional device of grating projection was modified by using two ccd cameras to obtain grating images . 3d data on facial profile were achieved quickly and accurately
结论：本方法改进了传统的投影光栅装置，应用2个ccd摄像头接收信号，实现了对面部三维数据的快速精确采集。