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.
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