这样使测频误差在理论上只含有标准频率误差，可以使测量误差降低。
By doing so, there will only be standard frequency error in theory and decrease the measuring error greatly.
频率测量一般是通过对被测信号和标准信号计数实现，因此量化误差是引起测量误差的主要原因。
Frequency measurement is usually implement by accounting the measured signals and standard signals, thus quantizing error becomes the main source of measuring error.
研究了离子选择性电极标准加入法的测量误差与标准溶液加入量的关系。
The relation between the measuring error of standard addition method for ion selective electrode and the added amount of the standard solution was studied.
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