基于计算机的

Other defense projects included gyroscope-based and other complex control systems for gun and bombsights and inertial navigation under Charles Stark Draper's Instrumentation Laboratory, the development of a digital computer for flight simulations under Project Whirlwind, and high-speed and high-altitude photography under Harold Edgerton.

斯塔克。德雷珀的仪表实验室研发的基于回转仪等的复杂控制系统，可辅助枪支，轰炸瞄准仪和惯性导航仪，由旋风计划研发的能模拟飞行轨迹的数字计算机，由哈罗格。艾格顿发明的高速度高海拔摄影技术等。

The most basic method to perform random simulations in computer-Go consists in selecting legal moves uniformly at random, with the exception of eye-filling moves that are forbidden.

在计算机围棋实行随机模拟的最根本的方法是基于均匀随机的方式选择合法的棋步，除填眼的棋步是被禁止的外。

Establish large deformation model of pipeline span, simulate and validate these formulas; give ideas on the set of frusta; put forward several suggestions on correlative criterions.

基于大挠度梁理论，考虑几何非线性和土壤的物理非线性建立了跨越管道的大变形分析模型；通过5种典型工况下跨越管道变形的计算机仿真分析验证了公式适用性，对跨越管道固定墩的设置问题给出了建议；提出了一些关于现行规范中跨越管强度验算的修正建议。

In order to make the uncertainty of the dose index measurement in the head phantom reasonable for the medical diagnostic X-ray radiation sources of the computed tomography, the measurement uncertainty components were analyzed according to the mathematical model for the computed tomography dose index test method with a 100 mm ionization chamber.

摘 要：为了使医用诊断计算机断层摄影装置X射线辐射源在模体中的剂量指数测量结果的不确定度评定合理，基于用带有100 mm长杆电离室的积分剂量仪测量CT剂量指数的数学模型，对其测量不确定度来源进行分析，列出了方差、灵敏系数及标准不确定度的计算公式，从而给出了CT剂量指数测量的合成标准不确定度和扩展不确定度。

In research of software engineering domain, we thought that one of the thorniest problems about component implementation was the abstract and extraction of domain components.

故本文在领域工程技术基础上，从特定领域建模的角度出发强调了领域构件的提取与抽象，并以机械加工工艺信息管理领域为例，分析该信息管理系统的领域特点后，进行了机械加工工艺信息管理构件的提取和抽象，并结合计算机软件总线的体系结构提出了基于机械加工工艺信息管理系统的应用软件集成框架。

In this paper, we introduced the HNC (Hierarchical Network of Concepts) theory into the Subjective-Question-Autoassess-System. Using its knowledge expression method and sentence category analyzing method to analyze the semantemes of Chinese sentences automatically. Then, we designed the according algorithms based on HNC theory. Finally, we developped the Subjective-Question-Autoassess system. The auto-assess result was pretty good.

本文针对汉语理解的特点，将HNC理论引入到主观题的自动批改系统中来，利用HNC理论的知识表达方法以及句类分析技术来实现计算机对汉语句子的语义成分自动分析，设计出了基于HNC理论的主观题自动批改算法，并实现了一个主观题自动批改实验系统，达到了一定的批改效果。

This thesis is based on crane dynamic theory and finite element theory, and utilized software platform of ANSYS. It realizes model analysis and transient analysis of steel rope and bridge structure. The data and conclusion offered effective method to bridge crane design. The thesis mainly includes:According to crane dynamic theory, established relevant dynamic model, and analyzed the dynamic properties of the bridge structure of the bridge crane, including the natural frequency, the model shape and the dynamic stress. A way to analyse the dynamic response of the bridge structure of the bridge crane which takes into account the dynamic properties of the steel rope pulley block has been explored successfully.

本文基于有限元理论和起重机动力学理论，以有限元分析软件ANSYS为平台，实现了计算机对钢丝绳系统和桥架的模态分析和瞬态动力学分析，得到的分析数据和结论对桥式起重机动态设计提供了有效的手段，论文主要内容包括：根据起重机动力学理论，建立了相关动力学模型，并对桥架结构进行动态性能分析(包括固有频率、振型以及动应力)的分析，探索出一种考虑钢丝绳滑轮组的动态特性在内的桥式起重机桥架结构动态应力分析的方法。

The thesis mainly includes: According to crane dynamic theory, established relevant dynamic model, and analyzed the dynamic properties of the bridge structure of the bridge crane, including the natural frequency, the model shape and the dynamic stress. A way to analyse the dynamic response of the bridge structure of the bridge crane which takes into account the dynamic properties of the steel rope pulley block has been explored successfully.

本文基于有限元理论和起重机动力学理论，以有限元分析软件ANSYS为平台，实现了计算机对钢丝绳系统和桥架的模态分析和瞬态动力学分析，得到的分析数据和结论对桥式起重机动态设计提供了有效的手段，论文主要内容包括：根据起重机动力学理论，建立了相关动力学模型，并对桥架结构进行动态性能分析（包括固有频率、振型以及动应力）的分析，探索出一种考虑钢丝绳滑轮组的动态特性在内的桥式起重机桥架结构动态应力分析的方法。

The orientation-singularity expression of the Stewart platform is deduced by using unit quaternion which can avoid singularity when using Euler angles to represent the orientation of rigid body, and then the algorithm of orientation-workspace of the manipulator at a certain position is proposed.

基于单位四元数描述的刚体姿态，避免了欧拉角等描述刚体姿态的奇异性问题，推导出Stewart机构处于给定位置时的姿态奇异解析表达式，并提出了该机构处于给定位置时的姿态工作空间算法，通过计算机仿真给出该机构处于一给定位置时姿态奇异轨迹和姿态工作空间的三维可视化描述。

Three-tie star network based Browser/Server model is considered according to the comparisons between information technology and control system development and the analysis of centralized network building. On the other hand, the design thinking of the application software based the network is showed and the leading roles of Web technology are informed.

本章根据计算机信息技术和控制系统发展之间的比较和网络集中架设方案的分析，提出了系统网络架设方案，即基于B/S模式的三层星形网络结构；另一方面对此网络结构的应用软件的设计思想进行了说明，确定了Web技术在本软件系统的主导地位。

Do not gum up the work by telling mother what we are going to do .

别告诉母亲我们要干的事，那会把事情搞糟的。

In recent years, application of the partial prestressed concrete beam s is developed.

近年来，随着部分预应力砼梁应用的推广，发现我国规范所采用的名义拉应力法的计算结果不稳定。