The semiquantitative slide agglutination and single-tube Widal tests had positive predictive values (PPVs) of 25.0% (95% confidence interval, CI: 0.6–80.6) and 20.0% (95% CI: 2.5–55.6), respectively.
半定量玻片凝集试验和单管维达尔试验的阳性预测值（PPVs）分别为25.0%（95%可信区间：0.6-80.6）和20.0%（95%可信区间：2.5-55.6）。
The prevalence rate of smear-positive tuberculosis was 145 per 100 000 (95% confidence interval: 110–180) assuming no tuberculosis in persons aged< 15 years.
如果假设不满15岁的人群中无人罹患结核病，那么痰涂片呈阳性的结核病的患病率为每10万人中有145人（95%的置信区间：110-180）。
This avoids the difficult problems to rank the interval Numbers, and views the decision scheme in a whole system to seek a positive and negative ideal scheme, thus being intelligible and operational.
本文将整个评价方案看作一个整体来寻求正、负理想方案，该方法避免了区间数难以排序的问题，具有可理解性和可操作性。
We obtain the existence of positive solutions of BVP (3.1.1) and the existence interval of positive solutions of BVP (3.1.2), by using fixed point index theorems.
通过使用不动点指数定理，我们得到了问题(3.1.1)正解的存在性以及问题(3.1.2)正解的存在区间。
Applying a negative-going trigger pulse simultaneously to RESET and TRIG during the timing interval discharges C and reinitiates the cycle, commencing on the positive edge of the reset pulse.
应用一个负的触发器脉冲在一个定时周期内来同时复位和触发，这样使电容器C放电并且重新初始化一个循环，从复位脉冲的正边开始启动。
It shows negative correlation between internal returns ratio and well depth, and positive correlation between interval returns ratio and daily production of single well.
数值方程显示：内部收益率与井深成负相关关系，与单井日产量成正相关关系。
When the distance between positive and inverse Fourier transform system changes, the CCD is adjusted to the focal plane by variable value of interval between two peaks on CCD with computer.
通过镜组移动改变正、负傅里叶变换系统的距离，用软件比较CCD上两个波峰的间隔是否变化来对CCD进行定焦。
Incorrect interval value. Please specify positive nonzero integer.
错误的时间间隔数值。请指定正确的非零整数。
Positive time-order-error often occurred in the judgement off-short time interval, negative time-order-error was more likely to occur in longtime interval.
对短时距的判断通常表现为正时间顺序误差，而对长时距的判断则表现为负时间顺序误差。
For the 25 HIV positive cases, the HIV seroconversion rate was 100% at any time point when the interval between the first and returning detection was longer than 1 week.
对于随访期间抗体转阳的患者，当回访检测时间超过1周后，任意时间段回访检测的抗体阳转率均为100%。
For the 25 HIV positive cases, the HIV seroconversion rate was 100% at any time point when the interval between the first and returning detection was longer than 1 week.
对于随访期间抗体转阳的患者，当回访检测时间超过1周后，任意时间段回访检测的抗体阳转率均为100%。
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