为何“历史”的词性为阳性，而不是阴性呢？
假阳性使我们感到沮丧，但假阴性不会。
犯假阳性和假阴性的错误会造成什么后果呢？
What consequences do the false positive and false negative errors entail?
极端耐药结核的规划管理和艾滋病毒阴性和阳性人群的治疗设计。
Programme management of XDR-TB and treatment design in HIV negative and positive people.
要看单词是阳性，阴性还是复数。简单吧。
Depending on whether the word is masculine, feminine or plural. Simple.
“阴”代表冷、阴性和冬天，“阳”则代表暖、阳性和夏天。
Yin is cool, negative and winter, while Yang is warm, positive and summer.
任何方法都有可能出现假阳性和假阴性。
长期住院患者，阳性、阴性症状对回家意愿的影响是不同的。
Positive and negative symptoms were take difference roles in the going-home desire.
阴性对照组兔晶体上皮细胞胞核未见阳性染色。
In negative control group rabbit LEC nuclei were not positive stained.
阴性预测值和阳性预测值分别为89%和79%。
Negative predictive value and positive predictive value were 89% and 79%, respectively.
没有假阴性和假阳性结果。
任何试剂都有假阳性和假阴性的可能。
Any reagents are false positive and false negative possibility.
所有受检父母TPPA全部为阳性，HIV初筛实验结果均呈阴性。
All the parents were positive for TPPA, and negative for HIV test.
老师也不知道计算机是阴性的还是阳性的，因为这在她的法语词典里没有。
The teacher did not know, and the word wasn't in her French dictionary.
另设阴性对照组、阳性对照组。
目的探讨平板运动试验(TET)假阳性和假阴性的原因。
Objective To explore the reasons of false positive mill exercise test (TET).
在阴性对照组中发现BFGF免疫阳性细胞。
RESULT1 Immunochemistry result(1) BFGF immune positive cell was found in negative control group.
其表现可分为阳性性状和阴性性状。
Its performance can be divided into positive and negative traits traits.
模型组斑块内VCAM - 1表达为阳性，对照组则为阴性。
And expression of VCAM-1 in model group was positive, compared with control group.
报告结果为阴性或阳性。
设阳性及阴性对照组。
设阳性及阴性对照组。
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