以下为句子列表：
英文: Plane diffraction grating, logarithmic amplifier and stable constant-current source are used in the system, thus the performance of the instrument is enhanced significantly and the cost is reduced.
中文: 系统采用了平面衍射光栅、专用阵列探测器、对数放大器以及高稳定恒流源，有效地提高了仪器的整体性能，同时降低了生化分析仪的成本。
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