查询词典 numerical system

The new approach improves the step length and the convergence is analyzed. Numerical examples are given to illustrate the effectiveness of the proposed method.

在此基础上提出了求解只带有等式约束的凸二次规划问题的新算法，该算法改进了搜索步长，分析了收敛性，通过数值算例验证了算法的有效性和优越性。

Stability of 14 high-cut slopes in Guangdong province is analyzed with typical rock mass structure analysis method and stereographic projection method, and with the numerical simulation method UDEC this paper simulated the excavation and reinforcement courses of the important slopes. Some conclutions and suggestions are based the analysis above.

本文结合广东某省道沿线14个高陡岩石边坡的开挖和支护方案的选择设计，运用常用的岩体结构分析方法和赤平投影方法对边坡的稳定性进行了分析，采用UDEC数值模拟方法对一些重点边坡的开挖支护进行了模拟，得出了以下一些结论： 1、边坡支护形式的选择应遵循"安全绿色、水土保持、恢复自然、环保之路"的设计原则。

In order to study the stability of stratified rock slope in Zhu-Cheng road and its reinforcement method, the potential deformation and slipping mechanism of slope were analyzed using insitu-investigation and stereographic projection analysis method. The numerical calculation model for stratified rock slope was founded with UDEC software. The deformation of rock mass was analyzed in the excavation procedure, and the long-short compound bolt reinforcement structure was proposed according to the deformation failure mode of stratified rock slope.

摘 要：为了研究竹城公路层状岩质边坡的稳定性及防治措施，通过现场调查和赤平投影分析边坡潜在变形滑动机理；利用UDEC软件建立层状边坡数值计算模型，分析开挖过程中岩土体的变形情况；根据变形破坏模式提出层状岩质边坡的长短锚杆交替复合支护结构。

Three kinds of control ways are presented, and corresponding numerical values of infinite stiffness are given.

给出了3种节流控制方案，并得到相应的实现无穷刚度的数值解。

Stochastic dynamic water balance model ; numerical model ; loess plateau

随机动力学水平衡模型；数值模型；黄土高原

With this text, the author proposes an integrated approach to patent risk and capital budgeting in pharmaceutical research and development, developing an option-based view of imperfect patent protection, which draws upon contingent-claims analysis, stochastic game theory, as well as novel numerical methods.

作者提出了一种围绕专利的风险和资本预算中医药研究开发的综合方法，开发一种选择为基础的观点的不完善的专利保护，其中借鉴了特遣队的索赔分析，随机博弈论，以及新颖的数值方法。

By applying the H〓lder inequality, the Gronwall inequality, the Doob's inequality and the properties of the Ito stochastic integral to the integral form of the test equation, several important inequalities related to the analytical solution are proved, and the local order of the numerical solutions in mean square sense is obtained accordingly.

通过对试验方程的积分形式使用Holder不等式、Gronwall不等式、Doob不等式和Ito随机积分的性质，得出了试验方程解析解满足的几个重要不等式，进而得出了数值方法在均方意义下的局部误差阶。

Meanwhile, with the finite element method with triangleas its basic unit, the numerical method to solve stope temperatur question is discussed.

同时，讨论了以三角形作为基本单元的有限元求解温度的数值法。

Numerical modelling of one-dimensional unsteady flow in complicated systems, such as long distance water transfer project and urban storm sewer network etc., play a major role in practice of Hydraulic Engineering, in which transcritical flow and transition between free surface and pressurized flows are two important issues.

长距离调水工程和城市排水管网等复杂系统的一维非恒定流数值模拟对于水利工程实践有着十分重要的意义，跨临界流和明满流是其中的两个重要的研究方向。

The results of forecast experiments show that the numerical model have fine forecast function, and that period of validity and accuracy of storm surge forecast depend on those of typhoon parameter prediction to a great extent.

预报结果表明本数值模式具有良好的预报功能，并指出其风暴潮预报时效和精度在很大程度上取决于热带气旋气象预报的时效和精度。

Article 144 The Government of the Hong Kong Special Administrative Region shall maintain the policy previously practised in Hong Kong in respect of subventions for non-governmental organizations in fields such as education, medicine and health, culture, art, recreation, sports, social welfare and social

第一百四十四条香港特别行政区政府保持原在香港实行的对教育、医疗卫生、文化、艺术、康乐、体育、社会福利、社会工作等方面的民间团体机构的资助政策。原在香港各资助机构任职的人员均可根据原有制度继续受聘。

Small wonder, then, that the Chinese spend more in the shop than any other group of foreign visitors do .

这样的小惊喜，使中国顾客比任何国家的人消费得更多。