In an example like this, you may judge a minimum of 100:1 false negative: positive ratio to be acceptable.
在像这样的例子中，就可以判断假负：假正的比率最低为100：1才是可以接受的。
In contrast, if he infers that she is not interested when she is in fact interested, then he has made an error of false negative (what the statisticians call the "Type II" error).
相反，如果他推断，她不感兴趣，而实际上她感兴趣，那么他犯了假阴性的错误(统计学家称为“第二类”错误)。
So we make two types of errors: a type I error, or false positive, is believing a pattern is real when it is not; a type II error, or false negative, is not believing a pattern is real when it is.
因此我们常犯两类错误：第一类，是虚假的肯定，当原型并不存在时它认为原型是真的；第二类，是虚假的否定，当原型存在时它却认为原型是虚假的。
Finally, the last point I want to raise about classification before using WEKA is that of false positive and false negative.
在使用weka前，有关分类我还想指出最后一点，那就是假正和假负。
As with any screening test, and most vaccines, the process is not 100 percent effective, and a small number of women with precancerous cells escape detection with false negative tests, for example.
如同大多数疫苗一样，任何筛选试验的程序都不是百分之一百的有效。举例来说，有一小部分妇女的癌前期病变细胞在筛选试验中显示假阴性而逃过了检测。
Pharmaceutical giant Abbott Laboratories Inc. recalled about 750, 000 test kits believed to give false negative results.
制药业巨头雅培公司召回75万试剂，确信它们测出了错误的阴性结果。
We are grateful to Emily Rapp for sharing her personal story, including the occurrence of false-negative test results.
我们非常感激艾米丽的分享，其中包括检测结果为假阴性这件事情的发生。
As recent studies have shown, some tests for H1N1 infection are not entirely reliable, and false-negative results are a frequent problem.
最近的研究显示，用于H1N1感染的有些检测方法不完全可靠，所以假阴性结果是经常出现的问题。
The consequences of this bias may be false-negative studies.
研究中存在的这种偏倚可能产生假阴性结果。
The consequence of a false-negative error is that you and your entire family are dead when the alarm fails to go off when there is a fire.
一个假阴性错误的后果是，夜里着火了，警报不响，全家都被烧死了，或者烧的焦头烂额。
This means an update can fail when changes are made to other rows, a property referred to as a false negative.
这意味着，对其他行进行修改时更新会失败，这一特性被称为漏判。
This false negative scenario would not have the UPDATE cause a fail if a row change timestamp column was added to the EMPLOYEE table.
如果向EMPLOYEE表添加行修改时间戳列，则漏判场景中的UPDATE不会发生失败。
A third possibility is delayed fixation and false negative results for the primary tumor, which could explain some of the gain of ER in recurrence.
第三个可能的原因是原发肿瘤延迟固定和假阴性结果，这个能解释复发病灶的ER阳性表达。
Failing to remove old build artifacts, which leads to a Polluted Environment causing false positive and false negative errors.
没有清除旧的构建工件，造成环境混乱，引起误判和漏判错误。
Result During routine we had discovered 5 anomalous results of ABO blood grouping by monoclonal reagents. 3 cases were false negative and 2 ones were false positive.
结果在常规工作中，单克隆试剂导致ABO血型鉴定结果异常者5例，最后被确定为假阴性3例，假阳性2例。
False negative tests can result from low worm counts, immature infections and all male infections.
心蠕虫数量小、未成熟或仅有雄虫感染时会导致检测出现假阴性。
Objective to explore the relationship of temperatures for denaturalization and annealing to the false negative PCR result.
目的探讨聚合酶链式反应变性及退火温度与产物假阴性之间的关系。
Objective to reduce missed diagnosis and false negative diagnosis and to improve the accuracy of fine needle aspiration cytology (FNAC).
目的减少对乳腺癌的漏诊，降低假阴性率，提高针吸细胞学诊断的准确性。
However, the major obstacle to use technique as a routing is its high false negative rates and inconstant results, especially in paraffin-embedded tissues.
然而，假阴性率高、结果不稳定等因素严重阻碍着该技术的广泛应用，在石蜡组织中尤其如此。
Objective To study the false negative of occult blood detection by monoclonal antibody method of gastral fluid.
目的针对胃液潜血单克隆抗体法假阴性实例进行初探试验。
Many of current IDSes implement only signature-based intrusion detection which gives them less false positive but with a unbearable false negative.
当前大多数IDS系统仅采用基于特征的检测以减少误报，然而这会造成不可忍受的漏报问题。
Objective The aim is to reduce missed diagnosis and false negative diagnosis, and to improve the accuracy of fine needle aspiration cytology (FNAC).
目的减少对乳腺癌的漏诊，降低假阴性诊断，提高针吸细胞学诊断的准确性。
False negative. Measuring error results in acceptance of defective sample.
错误的坏的方面。误测导致验收不符合标准的样品。
Besides, the reasons that gated myocardial tomography appeared false negative and false positive was analysed, and the means of reducing false positive was described.
同时还分析了核素心肌显像可能出现假阴性和假阳性的原因以及有效防止假阳性率升高的手段。
The causes leading to a false - negative diagnosis were analysed.
作者对假阴性的原因作了分析。
The false negative rate of malignant liver tumors in the first biopsy procedure guided by conventional ultrasound was 9.4% (21/224).
恶性肿瘤首次常规超声引导穿刺活检假阴性率为9.4%（21/224）。
The experiment results show that the new technique has a high detect-rate and a low false-negative.
测试表明，主动扫描技术具有很高检测率和较低的误报警率。
Compared with operation findings, 84 were true positive, 7 false positive, 34 true negative, and 3 false negative.
手术及随访证实真阳性84个，假阳性7个，真阴性34个，假阴性3个。
Because the low false negative rate of SLN biopsy, the technique allows axillary lymph node dissection (ALND) avoided if the SLN is negative.
因为腋窝前哨淋巴结活检的假阴性率低，故对前哨淋巴结阴性的病人可以不做进一步腋窝淋巴结清扫。
Because the low false negative rate of SLN biopsy, the technique allows axillary lymph node dissection (ALND) avoided if the SLN is negative.
因为腋窝前哨淋巴结活检的假阴性率低，故对前哨淋巴结阴性的病人可以不做进一步腋窝淋巴结清扫。
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