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1.光谱仪焦长800mm。2.光谱分辨率:≤0.65cm-1(585nm氖灯线半高宽),≤0.35cm-1(837nm氖灯线半高宽)。3.光谱重复性:≤±0.02cm-1。5.光谱稳定性:≤±0.02