程序分块

In this paper we introduce a finite element program design method for solving 3 D thoracic electrical field distribution,based on Borland C++ for DOS and using isoparametric element of arbitrary hexahedron.In the process of solving final finite element equation,this paper uses the method of blocking and 'getting big number' to deal with total coefficient matrix and boundary conditions.

本文介绍了一种采用等参数8节点任意六面体单元来求解人体胸腔三维恒定电场分布的有限元程序设计方法，程序的编制基于BorlandC＋＋ForDOS的编程环境，在对最终形成的有限元代数方程的求解过程中采用了分块处理总系数矩阵及"取大数"处理边界条件的方法。

The algorithm can give the solution of resultant finite element equations by means of the combination of direct Crout decomposition method and blocking technology. Thereby, we have solved the problem that the computer stops running the program because of not enough memory.

该算法采用直接法中克劳特分解法与分块技术相结合来求解已合成的总体有限元方程组，从而解决了计算机因内存有限而使程序经常死机的问题。

The watermark structure was divided into sub-blocks and calculated by linear hashing function, which includes both the sequence information and the quantity information of the nodes. A constant migration technique wraps the integrity checking in the normal logical judgment operation of the watermarked program.

利用线性哈希函数对水印结构进行分块计算，既包含了结点顺序信息，又包含了结点数量信息，同时采用常量迁移技术使完整性检查隐藏在程序本身正常的逻辑判断语句中。

The contents of the course include: what operating system are, what they do, how they are designed, and where they came from; a general history and explanations of computer system, and some discussion on hardware and the relation between operating system and other software; concept of process, process states and process control block, process queue, management of processes; concepts of sequent programming and parallel programming, process synchronization and its application, process communication; scheduling level and job state transition, job scheduling, process scheduling, and methods for scheduling; deadlock and its necessary conditions, deadlock prevention, control and recovery of deadlock; fixed partition, multiple partition and replacement partition memory management, swapping and overlays; page, segmentation and segmentation with paging storage management, basic concept of virtual memory management, and page, segmentation and segmentation with paging memory management.

课程的内容包括：计算机系统概述、操作系统的形成、发展、功能、特性、类型和发展趋势；操作系统的硬件环境、操作系统与其它系统软件的关系；进程的概念、进程的状态和进程控制块、进程队列、进程的管理；顺序程序设计和并行程序设计概念、进程间的同步与互斥、同步机构应用、进程间通信；调度的层次和作业状态转换，作业的调度、进程调度、调度算法；死锁问题的提出、死锁的必要条件、死锁的预防、避免、控制和恢复；固定分区、可复分区、多重分区内存管理技术以及覆盖技术和交换技术；分页域、分段域、段页域存储管理技术、虚拟存储管理的基本概念、分页域、分段域、段页域虚拟存储管理。

The author presents the auto-generation mesh super-elements models of pentahedron and tetrahedron. The computer program for auto-generation of FEM mesh developed by the author can be used to mesh generation of every kind of block structure.

由于作者提出了五面体和四面体超单元自动生成网格的模式，使得所编制的自动剖分程序适用于各种块体结构的网格离散。

For Pentium Pro processors, the code rescheduling scheme is used in this paper to optimize BLAS, which improves the matrix multiplication performance by 10Mflops.

这个技术与已有的分块技术、循环展开技术相结合，在200MHz单CPU的Pentium Pro上将矩阵乘的性能从21Mflops提高到112Mflops以上，从而提高了并行程序的性能。

The classifications, characteristics and recent applications of sliding construction are summarized. Some key technologies of sliding construction such as calculation of sliding drift load, sliding nonsynchronous affection, sliding dynamic response, stability of sliding blocks, and affection on structural mechanics for different sliding blocking have been researched, and the corresponding programs have been coded.

总结了滑移法施工的分类、特点以及应用情况，对于滑移法施工牵引力的计算、滑移不同步影响、滑移法施工激振影响、滑移施工过程中的单元分块稳定性研究、滑移分块对结构成型影响等关键问题进行了理论推导与算例分析，并编制了相关的实用程序。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失