Contact measure has high reliability but low accuracy.
接触式测量可靠性高，但是精度低。
Traditional information retrieval model has the problem of low accuracy when obtaining the information.
传统信息检索模型的信息获取准确率较低。
Traditional information retrieval model has the problem of low accuracy when obtaining the information.
传统信息检索模型的信息获取准确率较低。
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