通常，它通过保留对单个线程有效的一级缓存实例，维护它负责的映射实体类实例的可识别性或状态，从而做到这一点。
Generally, it does this by maintaining awareness or state of the mapped entity class instances it is responsible for by keeping a first-level cache of instances, valid for a single thread.
在操作系统这一级能识别汉字和英文字母，并对它们进行同等处理。
Chinese character and English alphabet can be recognized at operating system level and can be treated equally.
正确识别因素间联合作用的模式对于疾病的一级预防和公共卫生决策的制订具有重要意义。
Correct recognition of the combined effects of the risk factors is of important significance for the primary prevention and making up the public health policies.
首先提取掌面的最大内圆作为识别的有效区域，利用该内圆的半径进行第一级匹配。
First we extract the maximum inscribed circle of palm as the region of interest, then use the radius of this circle to carry out first-stage match.
目的了解一级医院对常见细胞形态学识别情况。
Objective To investigate the status of the routine test in cell morphology in the grade-one hospitals.
用从邮政分拣机上获得的443个信函地址行二值图像样本进行测试，省市一级和市县一级投递地址的正确识别率已经达到了66%。
An experiment on 443 real handwritten address lines is performed. The results show that a correct rate of the sorting area including province and city is up to 66%.
用从邮政分拣机上获得的443个信函地址行二值图像样本进行测试，省市一级和市县一级投递地址的正确识别率已经达到了66%。
An experiment on 443 real handwritten address lines is performed. The results show that a correct rate of the sorting area including province and city is up to 66%.
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