结合车辆在线检测背景，提出了一种改进型阴性选择算法。
An advanced negative selection algorithm adapted to the engineer needs in vehicle online testing is presented.
第四章分析了免疫系统阴性选择机理及已有的阴性选择算法。
In chapter 4, negative selection mechanics in immune system and negative selection algorithm are studied.
阴性选择是幼稚T细胞在分化发育过程中一个非常重要的步骤。
Negtive selection plays a very important role in maturate of T cell.
阳性选择决定了成熟T细胞的MHC限制性，阴性选择使机体获得自身免疫耐受。
The MHC restriction of t cell is determined in positive selection. The tolerance of t cells to autoantigen is acquired during negative selection.
实验表明，采用改进编码后的阴性选择算法识别飞行数据中的异常值具有较高的精度。
The experimental results showed that the precision was high in detecting abnormal flight data based on improved negative selection algorithm.
人工免疫系统所依据的免疫学原理主要包括免疫网络理论，克隆选择和阴性选择原理。
The immunology principles on which Artificial immune System depends mainly include immune network theory, the principle of clonal selection and the principle of negative selection.
该方法主要利用克隆选择和阴性选择原理来学习抗原的特性，实现对抗体的促进和抑制。
The algorithm mainly utilized clonal selection and negative selection principles to learn the characteristics of antigens.
准种的演变不仅是机体阳性选择压力的结果，也有阴性选择的参与，即随机突变积累的结果。
The evolvement of quasispecies is not only the result of positive immune pressure in the host, but also the accumulation of random mutation.
胸腺树突状细胞作为胸腺内功能强大的抗原呈递细胞，在阴性选择中必定发挥着不可忽视的作用。
Because thymic dendritic cells are the potent antigen presenting cells in the thymus, they must play an important role in thymic negative selection.
利用模糊思想，在定义了模糊相似度与背离度的基础上，提出了一种生成最有效检测器集的变阈值免疫阴性选择算法。
Fuzzy idea was used to bring forward an adjustable threshold immune negative selection algorithm of creating the most effective detector set based on defining fuzzy similarity and deviation.
利用模糊思想，在定义了模糊相似度与背离度的基础上，提出了一种生成最有效检测器集的变阈值免疫阴性选择算法。
This paper analyses mechanisms needed for a negative selection algorithm in an artificial immune system and defines fuzzy similarity using fuzzy logic.
胸腺内阴性选择的发生过程也就是中枢免疫耐受的形成过程，即自身反应性胸腺细胞被克隆清除或处于免疫无能状态的过程。
The process of thymic negative selection is the process of the central immunologic tolerance, namely the process of autoreac-tive thymic cells being deleted or becoming allergy.
阐述了人工免疫算法的各种生物模型以及衍生出的各种算法，包括一般免疫算法、阴性选择算法、免疫学习算法、克隆选择算法等。
Several kinds of biology models and arithmetic derived from are expatiated, including common immune arithmetic, negative chosen arithmetic, immune study arithmetic, clone chosen arithmetic and so on.
在其他语言中，当复数总是阳性或阴性时，就没有这种选择了。
That option is unavailable when the plural is always masculine or feminine in other languages.
方法随机选择25例男性患者作平板运动试验，其中14例为阳性，11例为阴性。
Methods 25 male patients were randomly selected to do plate movement test. 14 patients were positive and 11 patients were negative.
所以首先区分病原菌是革兰氏阳性菌还是阴性菌，在选择抗生素方面意义重大。
Distinguish above all so bacterium of cause of disease is bacterium of positive of change orchid family name or electronegative bacterium choosing antibiotic respect meaning great.
该文研究了南亚热带不同生活型植物的耐阴性，为城市绿化植物选择配置提供实验依据。
In this paper the authors presented a comparative study on shade-tolerance of low subtropical plants of different life forms, to provide experimental data in the selection for urban greenery.
方法：选择经活蜂试针为阴性的产后痹患者42例，采用内服三痹汤加味配合蜂针治疗。
Methods: 42 cases of PA with negative BN test were treated with STJ and BN.
结果以选择性冠状动脉造影结果为标准，活动平板试验敏感性为66.7%，特异性为87.6%，阳性预测值为77.8%，阴性预测值为80.1%。
Results Sensitivity, specificity, positive and negative predictive values of treadmill exercise test for diagnosing CAD were 66.7%, 87.6%, 77.8% and 80.1%, respectively.
结果以选择性冠状动脉造影结果为标准，活动平板试验敏感性为66.7%，特异性为87.6%，阳性预测值为77.8%，阴性预测值为80.1%。
Results Sensitivity, specificity, positive and negative predictive values of treadmill exercise test for diagnosing CAD were 66.7%, 87.6%, 77.8% and 80.1%, respectively.
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