By the extended DDA method, the failure process of a tunnel in Japan is simulated.
的扩展dda方法，在日本隧道的破坏过程进行了模拟。
The delay in concluding the DDA negotiations is therefore a source of continuing concern.
在达成多哈回合谈判结论方面的拖延，正是外界持续担忧的根源。
This paper analyzes extended DDA circle interpolation method. Judge of termical point formula is given.
本文分析了扩展的DDA园弧插补方法，给出了终判公式。
Dynamic distributed arithmetic (DDA) is put forword based on the theory of signed distributed arithmetic.
基于有符号数分布式算法原理，提出了动态分布式算法。
A dynamic distributed algorithm (DDA) is put forword based on the theory of Signed (distributed) arithmetic.
基于有符号数分布式算法原理，提出了动态分布式算法。
Apply CPU of dual cores and advanced DDA curves and strait lines calculating method to assure better quality.
采用双核CPU技术和先进的DDA曲、直线插补算法，使加工的产品质量更好。
This paper USES Discontinuous Deformation Analysis (DDA) to analyse the dynamic stability of a rock slope slide.
本文用块体系统非连续变形分析(DDA)方法，对岩石滑坡体进行动态稳定分析。
An approach for modeling rock crack propagation using discontinuous deformation analysis (DDA) method is presented.
提出一种用非连续变形分析方法模拟岩石裂纹扩展的方法。
DDA is used to analyze the destabilizing pattern of rock-anchored crane beam under the crane wheel pressing action.
目前，岩壁吊车梁设计所采用的刚体极限平衡设计方法还不能确切反映岩锚吊车梁的实际受力状态。
The DDA 7 Zi provides one button access to all the tools needed to accurately debug and analyze disk drive operation.
多哈回合谈判七子之一，以提供所需的所有准确的调试和分析工具，磁盘驱动器的操作按钮访问。
Based on studying the way of polar moment of inertia, a new method of major and minor axis detecting by DDA was provided.
特征提取是葡萄干等级检测的基础，该文在研究极惯性矩计算长短轴方法的基础上，提出一种利用数值微分法进行长短轴检测的新方法。
The two classes of planar curve generation are DDA(digital differential analyzer)and DCM ( displacement comparison method).
平面曲线的生成算法主要有DDA（数学微分分析器）和DCM（位移比较法）。
The dual decomposition algorithm is developed in order to solve it . In numeral sample, the result shows convergence trend of DDA, as…
数值实例的计算结果，说明了算法的收敛趋势以及在计算时间方面的性能。
FTIR result showed that it is the physisorption of the interaction among sodium sulfide, DDA and n-octanol with smithsonite's surface.
红外光谱研究表明，硫化钠、正辛醇、DDA与菱锌矿表面发生物理吸附。
Among all the numerical analysis methods, the Discontinuous Deformation analysis (DDA) method is an efficient method with high accuracy.
在解决岩土工程非连续变形问题的数值方法中，非连续变形分析方法(DDA)无疑是一种高效、精确的算法。
Only if the method of discontinuous deformation analysis (DDA) is used, the discontinuity nature of rock mass can be concretely displayed.
用非连续变形分析方法研究岩体的非连续特性才能得到微观的具体反映。
The dual decomposition algorithm (DDA) is developed in order to solve it. In numeral sample, the result shows convergence trend of DDA, as...
数值实例的计算结果，说明了算法的收敛趋势以及在计算时间方面的性能。
Detection of contacts between 3d blocks is a key problem in 3d DDA (discontinuous deformation analysis) and DEM (discrete element method) analysis.
在三维单元法、三维不连续变形分析法中，三维块体的接触判断是关键的问题之一。
In this paper, on the basis of several discontinuous deformation analysis methods, DDA (discontinuous deformation analysis) method was researched mainly.
本文在对各种非连续变形分析方法进行比较性介绍的基础上，选择其中的DDA方法进行了着重研究。
In addition, the numerical simulation of rock bolts to the reinforcement of rock slope in DDA shows an effective role in promoting the stability of rock slope.
另外，DDA方法关于边坡锚固模拟计算，充分反映和验证了锚杆在边坡稳定性加固处理中的效果。
Based on the discontinuous deformation analysis (DDA), the stability of the high rock slope behind the power house of Jiudianxia hydroelectric station was studied.
应用非连续变形分析(DDA)对九甸峡水电站厂房高岩体高边坡进行了稳定性分析研究，建立了DDA块体系统分析模型。
Abstract Based on three-dimensional DDA method, a simple three-dimension model was proposed to analyze rockbolting and the corresponding algorithm and formulas were given.
摘要：提出了三维非连续变形分析方法中锚杆的简化模型，给出了相应的算法和公式。
In addition, considering that DDA could accurately solve the tangential sliding force, the reasonable factor of safety could be obtained by combining strength reduction method.
此外，考虑到DDA可以准确解决的切线的滑动力，合理的安全系数可以通过以下方式获得结合强度降低的方法。
In this article, the Discrete Dipole Approximation (DDA) was used to calculate the extinction spectra of the gold and silver nanoparticles with the shape of sphere and cylinder.
本文采用离散偶极子近似理论，研究金、银两种金属的球形和棒状纳米粒子的消光光谱。
The main research works and conclusions are as following:1. Optical properties of different shape metal nanoparticles are simulated by the discrete dipole approximation (DDA) method.
本论文的研究工作和成果如下：1。利用离散偶极子近似方法研究了不同形状纳米金属颗粒的光学性质；
The main research works and conclusions are as following:1. Optical properties of different shape metal nanoparticles are simulated by the discrete dipole approximation (DDA) method.
本论文的研究工作和成果如下：1。利用离散偶极子近似方法研究了不同形状纳米金属颗粒的光学性质；
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