可靠性方面，棱镜光谱仪较光栅光谱仪有优势；
Spectrometers with prisms are more reliable than Spectrometers with grating.
在光谱带宽和成本方面，棱镜光谱仪与光栅光谱仪基本接近。
In the spectrum bandwidth and cost aspect, Spectrometers with prisms and grating are equivalent.
在杂散光方面，棱镜光谱仪的杂散光可达10 - 4，而光栅的杂散光为10 - 2。
Moreover, the stray light of spectrometers with prisms is 10-4 and that of spectrometers with grating is 10-2.
在色散线性方面，光栅光谱仪基本线性，棱镜光谱仪的短波非线性问题可通过复合棱镜进行补偿。
In the dispersion linearity aspect, the spectrometers with grating are linear. The nonlinear problem of shortwave for spectrometers with prisms can be solved through double-prisms.
在色散线性方面，光栅光谱仪基本线性，棱镜光谱仪的短波非线性问题可通过复合棱镜进行补偿。
In the dispersion linearity aspect, the spectrometers with grating are linear. The nonlinear problem of shortwave for spectrometers with prisms can be solved through double-prisms.
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