1) neutral gas laser
中性阶梯滤光
2) neutral step filter
中性阶梯滤光器
3) neutral stepweaknener
中性阶梯减光板
4) stepped filter
阶梯滤光器
5) echelle
[ei'ʃel]
中阶梯光栅
1.
The new-type vacuum UV spectrograph which uses prism and echelle for cross-dispersion and charge transfer detector has a wide prospect in many technical and scientific fields due to its full spectrum,high reproducibility and good resolution.
新型真空紫外光谱仪是采用棱镜与中阶梯光栅的组合进行交叉色散、二维CCD作为接收器件的新型光谱仪。
补充资料：中阶梯光栅
见衍射光栅。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条