With the measurement principle of spectrophotometry, the analyzer calculates absorbency by software . avoiding the mathematical formulas of logarithmic ratio amplifiers.
仪器采用吸光光度法测量原理，在测量方法上避免了模拟对数放大与运算；
Two kinds of logarithmic ratio amplifiers used for biochemical analyzers were designed and the mathematical formulas of the amplifiers were derived through experiments.
设计了两种用于生化分析仪器的对数放大电路，通过实验得出了对数放大电路的数学表达式。
Two kinds of logarithmic ratio amplifiers used for biochemical analyzers were designed and the mathematical formulas of the amplifiers were derived through experiments.
设计了两种用于生化分析仪器的对数放大电路，通过实验得出了对数放大电路的数学表达式。
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