DDA的例句大全

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。

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Application of DDA method in stability analysis of topple rock slope

DDA数值方法在岩质边坡倾倒破坏分析中的应用

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An Analysis of Destabilizing Pattern and Mechanism of Rock-Anchored Crane Beam by DDA

用非连续变形法分析岩锚吊车梁失稳形式及机理

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Now the study on three dimensional DDA is only in the inchoate stage. In the thesis, the forward analysis model of three dimensional discontinuous deformation was established and several main kinds of contact have been discussed in detail and corresponding DDA programs are developed.

目前三维非连续变形分析方法的研究尚在初步阶段，本文从最小势能原理出发建立了三维DDA正分析模型，重点讨论了三维块体系统中几种主要接触形式，编制了相应的DDA程序。

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A study on the numerical model of DDA and its preliminary application to rock engineering

DDA数值模型及其在岩体工程上的初步应用研究

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We direct APEC Ministers Responsible for Trade to use the2012 meeting in Kazan to assess ways to promote progress on the DDA in the WTO.

我们指示负责贸易事务的亚太经合组织部长（APEC Ministers Responsible for Trade）利用2012年的喀山（Kazan）会议，评估在世贸组织推动多哈发展议程取得进展的途径。

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Not only DDA operates sum of products as quickly as distributed arithmetic, but also provides an effective method to realize coefficient programmable FIR filter.

该算法不仅继承了分布式算法提高乘积和计算速度的优点，还为系数可编程FIR滤波器的实现提供了有效的解决方案。

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One approach you could consider using to develop a share portfolio is based on the Dow dividend approach ( DDA), a purely mechanical way of constructing a share portfolio.

一种办法可以考虑使用建立一个股票组合，是道指成份股分红办法（DDA）的，是构建股票组合为基础的纯机械的方式。

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Effect of cohesion on evaluating slope stability factor of safety by DDA method

DDA法计算边坡安全系数的黏聚力影响分析

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Acidic bentonite used as catalyst to prepare new type antioxidant DDA

以酸性膨润土为催化剂制备新型抗氧剂DDA

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A 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。

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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.

同时，鉴于DDA方法能够精确地求解切向滑动力，结合强度折减法能够获得比较合理的安全系数。

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we reaffirm that a high level of ambition in all areas of the dda must be accompanied by a strong and renewed emphasis on development.

我们确认，在DDA所有领域高水平的雄心，必须伴有对发展问题强有力和不间断的重视。

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copper substituted hexagonal mesoporous silica ( cu-hms) was synthesized using tetraethyl silicate ( teos) as silicon source, cucl_2, cuac_2 or cu ( nh_3)~+_4 as copper source and dodecylamine ( dda) as templating agent.

分别以CuCl2、CuAc2和Cu（NH3）+4为铜源，正硅酸乙酯为硅源，十二胺为模板剂，在室温下合成了Cu HMS系列介孔分子筛催化剂。

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in this study, the two-dimensional dda is used to simulate the dynamic process of explosion funnel formulation at the time of initiating a sphere charge in a semi-infinite domain with or without the strength of joint face and the comparison between simulated results is made.

本研究中，利用二维DDA对有、无节理面强度两种情况下一半无限域内球形药包爆炸时爆破漏斗的形成过程进行了动态模拟，并对模拟结果进行了分析和比较。

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the full length rockbolt and excavation have been implemented in dda method.

实现了DDA中施工开挖和全长锚固锚杆的模拟。

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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.

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Second, the DDA method is used to study the scattering and polarization property of randomly distribution aggregation particles, and the angle distributions of Muller scattering matrix element under different conditions are elicited.

研究了随机分布的簇团粒子的散射特性和极化特性，给出了Muller散射矩阵元在不同情况下的角分布；

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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）。

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A DDA arc interpolator for digital differential analyzer based on FPGA

基于FPGA的数控数字积分法圆弧插补器的设计与实现

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