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Those problems include inverse position analysis of the machine, inverse and direct position analysis of the parallel locking mechanism, relationships of velocity and acceleration between cutter and actuators, Jacobian matrix of the machine, forward position computation of the machine, the links'velocity and acceleration of the driving chains, the links'velocity and acceleration of the locking mechanism, kinematics simulation of the machine, and so on. The Jacobian method presented in the thesis to calculate the direct position of the machine is of high efficient.

其中包括机床的位置逆解分析，平行机构的位置逆解分析，机床刀具与各主动关节之间的速度和加速度映射关系的求解，并联机床雅可比矩阵的计算，并联机床的位置正解计算，支链构件的速度和加速度计算，平行机构各构件的速度和加速度计算以及机床各运动学指标的仿真计算等。

Through the implementation and evaluation of performance, we get a conclusion that to use Java for the implementation of the non-mobile embedded system is a waste because the Java Virtual Machine consumes a large of computation and memory resources. The cross-platform feature of JVM is meaningless for the non-mobile embedded system.Embedded Systems, ARMLinux, Embedded-Web Server, System-on-Chip SoC

透过实作与效能评估，我们得到一个主要的结论，使用Java来实作非行动式的嵌入式系统是一种浪费，因为虚拟机器(Java Virtual Machine， JVM)会消耗很大的计算与记忆体资源，JVM的跨平台特性不具任何意义。

2Combined design data of rapid-fire guns,the machine structure have beenabstracted reasonable computation model of reduction.The equations thatdescribe relative motion and relative force about between moveable elements havebeen deduced.

2根据某型自动火炮的设计资料并进行合理的简化将具体的机械结构抽象成合理的计算模型，推导出描述自动机可动部件之间相互作用及相对运动的具体表达式。

Using about 3,120,000 grid cells and 512 CPUs, the parallel program has been successfully transplanted to the SZ MPP machine for massive parallel computation, giving for the first time the detailed flow properties of a model engine's combustor, offering a thorough performance analysis, and unprecedentedly obtaining some flowfield characteristics.

第三章介绍了数值计算方法及其验证。本文运用时间相关法，采用格心有限体积离散，—-—通鲤登经军巡型遇逊生匕一一一一一独立建立和发展了-谁球解混合与燃烧流场的基于PVM环境的并行计算程序。

Using about 3,120,000 grid cells and 512 CPUs, the parallel program has been successfully transplanted to the SZ MPP machine for massive parallel computation, giving for the first time the detailed flow properties of a model engines combustor, offering a thorough performance analysis, and unprecedentedly obtaining some flowfield characteristics.

第三章介绍了数值计算方法及其验证。本文运用时间相关法，采用格心有限体积离散，—-—通鲤登经军巡型遇逊生匕一一一一一独立建立和发展了-谁球解混合与燃烧流场的基于PVM环境的并行计算程序。

Turing machine, random access machine, primitive recursive, cellular automaton, finite state machine, cell probe model, pointer machine, alternation, alternating Turing machine, nondeterministic Turing machine, oracle Turing machine, probabilistic Turing machine, universal Turing machine, quantum computation, parallel models: multiprocessor model, work-depth model, parallel random-access machine, shared memory.

图灵机，随机存取机，原始递归，元胞自动机，有限状态机，细胞探针模型，指针机，交替轮流进行，图灵机，非确定性图灵机，甲骨文图灵机，概率图灵机，通用图灵机，量子计算，并行型号：多模式，工作深入模型，并行随机存取机，共享内存。

Turing machine is researched as computing model mainly on its principles and abilities in the theorem of computation.

图灵机作为计算模型引入，主要讨论它在计算理论方面的功能。

APDL language is used to program procedures on main algorithm ,to compile the statistical computation and output command files.In particular,the use of the computing vector,read-write file,macro file and library file improves the efficiency and serviceability of the procedure.

利用APDL语言完成了正交试验分析过程中的主要算法，编写了统计计算、结果输出的命令流文件，特别是APDL语言的矢量运算、读写命令以及宏文件、宏库文件的运用，保证了程序的易读、高效和适用性。

At our present vantage point, it is very natural to want to build machines that extend our abilities to take over our manufacturing, enable our global communication or the computation of the unknowns of macrophysics.

在我们当前的观点来看，很自然想要去建造能够延伸我们能力，接管我们的制造，使我们进行全球交流，或者，对宏观物理未知进行计算的机器。

The thesis studies axis distribution of magnetic field and carries on the simulation and computation using MATLAB. Then, the air-cored cylindrical winding is selected.

以磁场的基本理论为基础研究了空心线圈的轴向磁场分布与线圈参数的关系，并用MATLAB软件对磁场分布进行了计算和仿真，确定了空心圆柱线圈的设计方案。

My father is over 60 years old, and he lifts weights every day.

我爸爸六十多岁了，他每天都练习举重。

Then in a serious tone she declared:"It doesn't pay, dear boy, to look like a ninny with one's wife the first night."

两眼湿润了，她把身子蜷得很小，这样似乎可以更好地闻闻自己。