The positive rate was significantly different between the acute and chronic hepatitis B patients groups (P<0.05) .
急性乙肝病人组与慢性乙肝病人组阳性率差别有统计学意义（P＜0.05）；
A new method of prediction on the radiant brightness values of deuterium lamps is proposed using back propagation (b p) neural network.
本文提出了应用B -P神经网络预测氘灯辐亮度值的新方法。
For example, the market places more emphasis on P/E multiples for industrial companies and a P/B multiple for banks.
例如，市场更重视工业企业的市盈率倍数，而对于银行则重视市净率倍数。
Once you created a 'd', this could work fine as a starting point for a 'b' and a 'p', by rotating the 'd' 180 degrees.
当你完成了一个“d”，你就可以把这个“d”旋转180度，以此为基础完成“b”和“p”的制作。
From the menu, you may press e on an entry to edit it, c to switch to a GRUB command line, b to boot the system, p to enter a password, and Esc to return to the menu or to the previous step.
在菜单中的条目上按e 键将编辑条目，按c 键切换到GRUB命令行，按b键引导系统，按p键输入密码，按 Esc 键返回菜单或上一步。
According to Tom Cummins, which one of the following is NOT true of B. P. A.?
根据汤姆·卡明斯所说的，关于B.P.A。下列哪个选项是不正确的？
Assist in conducting an effective monthly associate meeting with minutes and P&A forwarded to the F & B.
组织有效的每月部门例会，作好会议记录并将记录抄送餐饮部。
P - arty B shall provide at least 2-3 candidates for each single position to meet Party a's needs.
每一个职位乙方应至少提供2 - 3位候选人以满足甲方需求。
The author of Ode to the West Wind [P. B. Shelly] exerts a great influence on many later poets.
《西风颂》的作者[雪莱] 给后来的诗人以很大的影响。
Then, as artificial neural network is better in constructing financial prewarning model than other linear and regression models, a new financial prewarning model based on B-P model was constructed.
然后，利用人工神经网络在建立财务预警模型方面优于其他线性和回归模型的特点，基于B - P模型构建了一个新的混合财务预警模型。
Results The level of plasm hormone before anesthesia in group A and group B was higher than other period(P<0.05).
结果与麻醉前比较，A、B两组各观察时点血浆激素水平较麻醉前明显升高（P<0.05）；
Yesterday I asked some questions through the hot line about buying, installing and using a digital B. P.
昨天我打热线询问了一些关于如何购买、安装、使用数字传呼机的问题。
The assessment model of atmospheric environment quality of city using B-P artificial neural network is proposed.
应用人工神经网络理论，建立了城市大气环境质量的B - P网络评价模型。
Results There were no significant differences in clinical materials of A group and B group(P>0.05).
结果A、B两组临床资料比较差异无统计学意义，具有可比性（P＞0．05）。
However, the effect on the width of portal vein in group A did not differ from that in group B (P > 0.05).
治疗组在改善脾脏厚度方面疗效优于对照组，有显著性差异（P<0.05），但对门静脉宽度的影响两组无显著性差异（P>0.05）。
Based on the immune algorithm, an optimizing method is presented which is used to search the weights of B-P network.
提出了一种基于免疫算法的B -P网络权值设计方法，用于实现B - P网络权值空间的搜索。
A new method of estimating the parameters in B-P model is presented. The computational results indicate that the accuracy and efficiency of the new method are improved.
提出了B - p本构模型材料参数估计的新方法，算例分析表明，该新方法提高了参数估计的精度和效率。
In order to evaluate environmental quality, this paper proposed the B-P decision model for environmental quality by using artificial neural network method.
为了对环境质量进行综合评价，运用误差反向传播算法的人工神经网络方法建立了环境质量评价的B -P决策模型。
Results indicate that metalloid B or P has a tendency of surface accumulation.
结果显示猝冷之后非金属元素B或P有聚积在表面的倾向。
About the content of INO, Y and G were B extremely significantly lower than B(P<0.01).
对于INO含量，宫廷黄鸡和广西黄鸡极显著低于白羽肉鸡（P<0.01）。
The exiting people and average hospitalization days of group A are significantly less than group B(P<0.01).
组的退出治疗的人数和平均住院天数显著少于B组（P<0.01）。
With GIS (Geographic Information system), applying the B-P Nerve Network the nonlinear forest biomass RS (Remote Sensing) modeling system was designed.
结合GIS技术，应用B- P神经网络建立了森林生物量非线性遥感模型系统。
All the data used are taken on-the-spot, and the B-P learning algorithm is adopted, then a new way to establish the model of rolling pressure is explored.
所用数据全部取自现场，采用B - P学习算法，为轧制压力建模探索了一种新的途径。
We use theory of trees, B-series, P-trees and P-series to deduce the order conditions of the methods constructed.
分别应用根树、B -级数理论、P -根树、P -级数理论推导方法的阶条件。
Aim at data inspection and mode identification of atmospheric environment, B-P network evaluation mode was established by the application of artificial neural network theory.
针对大气环境中的数据监测与模式识别问题，应用人工神经网络理论，在自然环境大气腐蚀试验网站建立大气环境质量B - P网络评价模型。
The number of DSA exposures was decreased in group B(P<0.01), not only to determine the working projection(P<0.01), but also during the procedure(P<0.01).
应用三维数字减影血管造影可以减少总曝光次数（P<0.01），不仅在选取参考图像时曝光次数减少（P<0.01），而且在手术过程中曝光次数也减少（P<0.01）。
These features are used to train a B-P neural network, it is a classifier and can improve greatly the recognition rate of Chinese characters.
使用该B-P神经网络作为汉字的分类器，可以大大提高车牌汉字的识别率。
This paper mainly discusses the application of B-P network in stock forecasting and analysis. contrasts the network function in different conditions.
该文主要研究人工神经网络中的B-P网在股票分析和预测中的应用，对比各种情况的网络性能。
An intelligent pattern classifier with B-P neural network is used in recognition of those five kinds of AE signals successfully.
采用B - P型反向传播神经网络构成的智能化模式分类器，对此五类声发射信号进行识别，获得了满意的效果。
An intelligent pattern classifier with B-P neural network is used in recognition of those five kinds of AE signals successfully.
采用B - P型反向传播神经网络构成的智能化模式分类器，对此五类声发射信号进行识别，获得了满意的效果。
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