查询词典 method of difference

The difference of method of this kind of depreciation brings difference to the accrual between the enterprise.

这种折旧方法的差异给企业间的收益带来差异。

The results were analyzed with the statistical software package spss10.0.results ①between two groups,there was no significant difference about the affection of age,sex and the destribution and location of aneurism on prognosis outcome(p＜0.05).however,the grading of hunt hess and fisher in group a(gos＞3) showed significantly lower than in group b(gos≤3),（p＜0.001）;② there was no significant difference in the frequency of heart rate, st elevation, st depression,t wave inversion,u wave inversion and ventricular arrhythmia(p＞0.05).the frequency of abnormal q wave, supraventricular arrhythmia and the ecg scores in group a showed significantly lower than in group b （p＜0.05,p＜0.001）;③the ecg scores was the most powerful multivariate risk stratified(ecg ≥5 vs ecg＜5; p=0.002,or=0.010,95%ci 0.001~0.173).conclusion the ecg score, a new and simple method of semi quantification, was a powerful risk predictor for patients with sah.

应用spss10.0 统计包分析结果。结果①在年龄、性别、动脉瘤生长部位影响动脉瘤性sah预后方面，两组病例无明显差异（p＞0.05）。而按sah后hunt hess分级和fisher分级，gos＞3病例的分级要明显低于gos≤3的病例的分级（p＜0.01）；②两组在心率、st段抬高、st段压低、t波倒置、u波倒置、室性心律失常出现的频率无明显差异（p＞0.05）；在异常q波和室上性心律失常出现频率及心电图评分方面，gos＞3的组别明显低于对照组（p＜0.05，p＜0.001）；③心电图评分是sah患者预后最显著影响的变量（p=0.002，or=0.010，95%的可信区间0.001~0.173）。结论心电图评分作为一种新型、简便的半定量方法，能有效的预测蛛网膜下腔出血病人的预后。关键词：心电图；预后；评分；蛛网膜下腔出血

We introduce the principle and arithmetic of Finite Difference Time Domain method particularly, and primarily discuss on several essential questions including excitation sources, the conditions of stability of calculation, and Perfectly Matched Layer boundary conditions. All of these factors have effect on the results of the numerical simulation.

2详细介绍了有限时域差分法(Finite Difference Time Domain， FDTD)的原理和算法，着重讨论和分析了激励源设置、FDTD法的稳定条件、PML吸收边界条件等几个关键问题，这些因素会直接影响模拟结果。

It is known theoretically that to the variational problem with weak constraints in cost functional J, its Euler equation can be discreted into difference format, by using matrix theory and difference method of partial differential equation we know that there exists optimal selection of weight factors in the cost functional under the condition of minimal variance between analysis field and ideal field.

从理论上可知，对于目标泛函J带有约束条件的变分问题，将其Euler方程离散成差分形式，利用矩阵理论和偏微分方程的差分方法，则目标泛函的权重因子，在分析场和理想场的最小方差意义下存在最优选取。

An electromagnetic numerical analysis, set finite difference method, finite element method and the method of moments as one basis for teaching materials.

详细说明：一本的电磁数值分析方面的，集有限差分法，有限元法和矩量法为一体的基础教材。

This paper is based on the necessity analysis of regional difference and takes the example of Shenzhen, it raises the process and the method of regional difference and brings forward ultimately the using suggestions on traffic impact analysis.

本文在进行区域差别必要性分析的基础上，以深圳为例，提出进行区域差别分析的步骤及方法，并最终提出在交通影响分析中的应用建议。

This invention exposed the method of producing high performance cannular sapphire. It uses once-fashioning wetting EFG technology. It draws the cannular sapphire with required inner diameter and outer diameter and length from melt. Firstly, the size and specification of cannular sapphire need to be determined, then according to it to produce the matching cannular die. Then selecting sapphire particleboard from flame fusion method as raw material, and secelting the good seeding grew in (0001) direction by Czochralski method to grow cannular sapphire. The transverse temperature difference is within 2DEG C, the lognitudinal temperature grads within 10mm of die end face is 3-4DEG C, the growth speed is 30-40mm/h.

本发明公开了一种生长高性能管状蓝宝石的方法，采用一次成型的润湿导模法技术，直接从熔体中拉制所需内、外径尺寸和长度的管状蓝宝石，其特征是，首先确定管状蓝宝石的规格尺寸，根据上述规格尺寸制作相匹配的长管模具，然后，选用高纯度焰熔法蓝宝石碎料作为原料，选用提拉法生长的(0001)方向的优质籽晶，进行管状蓝宝石的生长，横向温差在2℃以内，纵向温度梯度在距模具端面10mm内为3-4℃，生长速率为30-40mm/h。

The method of simulating the problem of two-dimensional pressure seepage with the method of finite difference,disposing the anomalous boundary by mapping point method and protracting the current net was carried out.

对于二维有压渗流问题，采用有限差分方法进行数值模拟，用映象点法处理非规则边界，并绘出流网，与电模拟试验进行对比，验证了这种方法的可行性。

On the basis of summarizing and discussing the gamma inversion, we point out that an analytic method of volume attribute is very important. The method integrates multiple stepwise regression and cross verification to optimize and combine the attribute, adopts the convolution factor to eliminate frequency difference between the seismic and logging data, uses the neural network as a matching and predicting tool. Because of its religious theoretic base, the method is more accurate than other ones.

在对目前常用的伽玛反演方法进行总结、讨论的基础上，指出地震体属性分析法具有明确的物理意义，有效结合了多元逐步回归和交互验证法进行属性的优选和组合，采用褶积因子消除地震信息和测井信息的频率差异，并以神经网络为拟合和预测手段，具有严谨的理论基础，相比其它几种方法更为准确合理。

Then the combined cycle with the same gas turbine systemfuelled by coke oven gas was simulated by this method, and steam parameters ofdifferent steam cycle modes were optimized by thermodynamic method, pursuingthe target function of the maximization of combined cycle efficiency;based on foreoptimized results, using the thermoeconomic method of matrix pattern, the mode ofsteam system and the pinch point temperature difference under the optimal modewere optimized, pursuing the target function of the minimization of generating cost,and thereby the optimal mode of combined cycle fuelled coke oven gas wasobtained.

将此方法应用于燃气轮机系统设备不变时的燃用焦炉煤气的情况，并以联合循环效率最大为目标函数，对不同蒸汽循环方式时的蒸汽参数进行了热力学优化；在此基础上，利用矩阵模式热经济学法，以联合循环最小发电成本为目标函数，对蒸汽循环方式及最佳蒸汽循环方式下的节点温差进行了优化，从而初步得到了燃用焦炉煤气联合循环的最佳形式。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。