has a good linear relationship 有良好的线性关系
The method was simple and has good linear relationship and repeatability.
该方法操作简单，并且有良好的线性及重现性。
RESULTS: Determined method has good linear relationship, its mean recovery is 99.4%, and it has good precision, exclusivity, and durability.
结果：测定方法线性关系良好，平均回收率99.4 %，并具有良好的精密度、专属性和耐用性。
The results show that the system has simple structure, high precision and good linear relationship.
实验结果表明，该系统具有结构简单、精度高和线性关系好等优点。
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