文中对测量误差进行了简要的论述，分析了四象限光电池引入的系统误差和修正方法。
The system error introduced by the four-quadrant photocell and the error correction method are analyzed emphatically.
文中对测量误差进行了简要的论述，分析了四象限光电池引入的系统误差和修正方法。
The system error introduced by the four-quadrant photocell and the error correction method are analyzed emphatically.
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