这些系统存在查询返回文档集大、准确率低和普通用户不便于构造查询等不足。
Such systems have some inherent drawbacks, such as large retrieved documents set, low precision and inconvenient for ordinary users to construct queries.
但目前在安全审计过程中普遍存在着检测准确率低、检测速度慢和自适应性差等问题。
However, there are some problems in the process of network security audit such as low rate of accuracy, slow speed and poor self-adaptability.
该方法克服了传统的基于统计的语义标注方法效率低、准确率低的缺点，有效提高了图像语义标注的准确率和效率。
This method overcomes the limit of the traditional statistical based semantic annotation method. It improved the accuracy and efficiency of image semantic annotation.
根据在教学中对排球初学者传球情况的观察和对二传技术动作构成的研究，阐明了排球初学者传球准确率低的内在原因。
According to the observation of passing the balls of volleyball beginners and study on skill composition of setters, the author expounds internal reasons of low accuracy rate in passing the balls.
本文介绍一种用PMOS数字集成电路设计的心律不齐检测电路，电路较简单，成本低，检测准确率为80%左右。
PMOS digital integrated-circuit was designed for detecting arrhythmia. The circuit is simple and of low cost. The detecting accuracy is about 80%.
新型数钞头解决了这些问题，准确率高，噪音低。
The new counting head can solve these problems with the advantage of high accuracy and low noise.
结论肝炎基因诊断芯片可以检测肝组织中HBVDNA，准确率可达75%，假阳性率低。
Conclusion HBVDNA in the liver tissues can be detected by the gene chips, the accuracy of diagnosing was 75% and the rate of the sham positive was lower.
新型数钞头解决这些问题，准确率高，噪音低。
New counting head is designed to solve these problems with the advantage of high accuracy and less noise.
肝炎基因诊断芯片可以同时检测乙型和丙型肝炎，诊断乙型肝炎血清准确率可达80％，假阳性率低。
Hepatitis B and C can be detected by one gene chip. The accuracy of diagnosing hepatitis B in the serum can reach 80%, the pseudopositive ratio by using gene chips was low.
生产实践表明，使用该试验台检测准确率高，劳动强度低。
The production practice shows that the test bed is characterized by high measuring veracity and low labour intensity.
结果表明所提出的算法对复杂背景图像中的人脸检测具有较高的检测准确率和低的误判率。
Experiment results show that the algorithm can detect face with complex background and it has high probability of correct detection.
在大学期间，同学们计算过多次综合测评，深刻体会到综合测评计算是一件既繁琐且准确率又低的事情。
During the university, computation the synthetical evaluation is necessary per term. The manual computation of synthetical evaluation is a much numerous and diverse process.
在大学期间，同学们计算过多次综合测评，深刻体会到综合测评计算是一件既繁琐且准确率又低的事情。
During the university, computation the synthetical evaluation is necessary per term. The manual computation of synthetical evaluation is a much numerous and diverse process.
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