An accurate linear damping calculation formula for free vibration system has been deduced and the application limits of the corresponding approximate calculation formula has been discussed as well.
本文推导出了自由衰减系统线性内耗准确计算公式，并讨论了原有的自由衰减系统线性内耗近似计算公式应用范围。
An approximate formula of linear error about TS-B3 temperature sensors and calculation methods about circuit parameter were given by theory analysis.
通过理论分析，给出了TS -B3型温度传感器线性化误差的近似计算式及电路参数的计算方法。
The installation of level gauge used for urea stripping tower, the structure and forming of radioactive rod source, and the calculation of its approximate linear graduation are described.
介绍了尿素汽提塔液位计的安装方式、棒状源的结构、源的组合形式，及近似线性刻度计算。
The installation of level gauge used for urea stripping tower, the structure and forming of radioactive rod source, and the calculation of its approximate linear graduation are described.
介绍了尿素汽提塔液位计的安装方式、棒状源的结构、源的组合形式，及近似线性刻度计算。
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