本文讨论了痕量元素分析中随机误差的规律性。
The regularity of random error of trace element analysis is discussed.
由此总结出在云南高原地区进行红外仪三角高程代替三、四水准，所产生误差的规律性，并制定一套较实用的操作规程。
The regularity of error and practical instructions are summarized for using infrared range-measurement system instead of the third of fourth grade levelling on Yunnan Plateau.
这个方法利用了周期性信号间相位差变化的规律性对比对信号进行相位处理，有效地减小了量化误差。
Utilizing the regularity of phase difference between period signals, phase processing is made on comparison signals, which reduce effectively quantified error.
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