查询词典 incidence relation

In the thesis, Artificial Neural Network has been used to study the sample data of Pneumoconiosis, the quantitative model to show the relation between the incidence of Pneumoconiosis and three factors is built and tested by the practical data.

针对常规方法的不足，把神经网络技术用于尘肺发病规律的研究，建立了尘肺发病率与三因素间的实用化定量关系模型，并对三因素在尘肺发病中的贡献进行了研究，推导出相应的重要度公式；开发了"粉尘危害程度预测及动态仿真系统"软件，用于对尘肺发病规律的研究和预测。

Results One hundred and six strong association rules were formed, and the rules contained the relation between the incidence of sudden deafness and the characteristics of 19 attributes.

结果 共形成106个强关联规则，这些强关联规则中蕴含特发性突聋与19项特征属性之间的关联关系。

The results show that spherical wave reflection coefficients not only have relation with incidence angle, but also are influenced by seismic frequency and reservoir depth.

结果表明，球面坡反射系数不仅与入射角度有关，还受地震子波频率和储层埋藏深度影响。

The RBF, therefore, outperformed the BP in terms of the prediction accuracy. The result shows that the RBFN and BPN can be successfully applied to build the relation of the incidence of stripe rust and meteorological data.

可见人工神经网络用于小麦条锈病的预测是可行的，并且逼近能力、分类能力和学习速度等方面均优于BP网络的径向基函数网络的预测效果更佳。

Objective:To investigate the relation between the incidence rates of ventricular premature beats from different original positions and the electrophysiological heterogeneity of myocardial cell.

目的：研究不同起源部位室性早搏发生率与心室肌细胞电生理异质性的关系。方法：应用12导联同步动态心电图检测482例室性早搏患者，计算各起源部位室性早搏发生率。

Studies were included in our analyses if they were population-based cohort or postcardiac surgery cohort and investigated the incidence of AF in relation to the body mass index categories.

背景：肥胖与左心房扩大和心室舒张功能障碍有关，后两者均为心房纤颤的危险因素，然而肥胖是否为心房纤颤的危险因素尚不明确。

The worldwide geographical variation in cancer incidence has shown a relation between differences in the dietary habits of populations and high or low risk of cancer, thus the role of diet in the control of cancer risk has drawn widespread attention.

背景与目的流行病调查资料显示，亚洲国家居民的乳腺癌、前列腺癌、结肠癌以及心血管疾病的发病率显著低于西方发达国家，从膳食因素与癌症的关系这一角度考虑，过去一直认为其主要原因是西方发达国家居民的膳食中总脂肪和饱和脂肪酸含量较高，而膳食纤维含量较低的缘故。

Result: The result showed that the prevalence rate of noise induced deafness was 27.97%,there was a dose response relation between the incidence of noise induced deafness and the doses of the noise exposure.

结果：结果表明，所调查五金工业噪声作业工人噪声性耳聋患病率为27.97%，各级噪声性耳聋患病率与噪声接触剂量之间存在着剂量反应关系。

Hence, based on acoustic potential function and boundary condition on solid interface, we get reflection coefficient and refraction coefficient of longitudinal wave and transverse wave on solid-solid interface, and provide approximate formula of the reflection coefficient and the refraction coefficient about the first critical angle of incidence. We analyze relation between the refraction coefficient and acoustic impedance.

为此，基于固体介质的声势函数和界面的边界条件，推导了固-固界面纵横波的反射系数和透射系数，以及第一临界角入射情况下反射系数和透射系数的近似公式，并且分析了透射系数与声阻抗之间的关系。

The result showed that the prevalence rate of noise induced deafness was 27.36%,there was a dose-response relation between the incidence of noise induced deafness and the doses of the noise exposure.

研究结果表明，所调查麻纺厂噪声作业工人噪声性耳聋罹患率为27.36%，各级噪声性耳聋罹患率与接触噪声剂量之间存在着剂量反应关系。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。