目的：改进专利中“用红外光谱检测中药中化学药物的方法”，提高其准确性。
Objective: to modify a patent method concerning determination of synthetic drugs in traditional Chinese medicines based on infrared spectroscopy, in order to improve the accuracy of judgment.
在变矩器的选型工作中，应用外特性的图解计算法能提高其准确性，避免试验的盲目性。
During the work of choosing converter, the accuracy of type chose can be increased and the blindness of testing can be avoided by using graphic calculating method of outer characteristics.
目的：分析低流率注射条件下最大斜率法测量的准确性，寻找提高其准确性的改良方法。
Objective: to analyse the accuracy of maximum-slope method in the condition of low injection rate and to find out an efficient way to improve its accuracy.
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