计量光栅的英文

metrological grating

• 计量:    calculate; estimat ...
• 光栅:    raster; optical gr ...
• 计量光楔:    optical test wedge

例句与用法

1. Metrology grating technology . test method of digital display meter
   计量光栅.数显表.试验方法
2. Metrology grating technology . technical requirements for grating bar of glass
   计量光栅.玻璃光栅尺.技术要求