求翻译：分析检验过程中所用的分光光度法标准曲线、气相色谱法的标准曲线、校正因子以及其他一些需通过实验和计算得出的常数应定期进行标定，如方法标准或仪器操作规程中对标定周期有明确要求的，按方法标准或仪器操作规程的规定执行，没有明确要求的，每隔12个月至少标定一次。是什么意思？

Analytical testing process of the standard curve used spectrophotometry, gas chromatography of the standard curve, the correction factor and the other to be calculated by constant experimentation and should be regularly calibrated, such as the way in standards or procedures for instrument calibratio

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In the analytical control process uses the spectrophotometric method standard curve, the gas phase chromatography standard curve, the adjustment factor as well as other some must the constant which obtains through the experiment and the computation be supposed to carry on the demarcation regularly,

Analysis inspection process in the by with of min light photometric method standard curve, and gas phase color spectrum method of standard curve, and correction factor and other some required through experimental and calculation came of constants should regularly for calibration, as method standard

Analysis inspection process in the by with of min light photometric method standard curve, and gas phase color spectrum method of standard curve, and correction factor and other some required through experimental and calculation came of constants should regularly for calibration, as method standard