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Based on Wilson\'s lemma on evenly distributed differences, elementary number theory and fundamental theory of finite field, the finite field construction for strict optimal OOCs is proposed and the basic idea of this construction is investigated. The main steps and flow chart of assistance design by computer are obtained.

3基于Wilson均匀分布差引理、初等数论及有限域的基本理论，提出一种严格最佳光正交码的有限域构造法，对该构造法的基本设计思想进行深入的理论分析，得到该构造法计算机辅助设计的主要步骤及流程。

Through these analysis and research, we can further perfect the standard of oil-gas field construction project management, and speed up the Changqing oil field construction and development. This paper also has the important reference value for domestic oil and gas fields similar infrastructure.

通过本论题的研究，对于进一步完善和规范长庆油气田基本建设工程项目管理，加快长庆油田的基本建设和发展具有积极的现实意义，对国内同类油气田基本建设亦具有重要的参考价值。

In Jiangsu Province promulgated "Foreign construction firms, construction management provisions into" requests, only enterprises in the province failed to meet the tender requirements, in order to allow foreign enterprises Senate bid; Taiyuan City, Shanxi Province and Taiyuan city where received "excellent project manager cards," in large, plus five hours in the field Accreditation of plus 2 hours lower probability of successful enterprise field; Shenzhen, Shanghai and other cities issued documents, only registered enterprises are eligible in the local tender for foreign enterprises in the past two years has stopped registration procedures.

在江苏省颁布的"省外施工企业进省施工管理规定"中要求，只有在省内企业满足不了招标要求时，才允许省外企业参中投标；太原市规定，凡在山西省或太原市领到"优秀项目经理证"的，在评标中加5分，在外地领证的加2分，降低外地企业的中标机率；深圳、上海等城市颁布文件，只有在当地注册的企业才有资格投标，近两年已停止办理外地企业注册登记手续。

Project components include: 20,162 mu of slope-terrace conversion, 9,050 mu of dry land-paddy field conversion, 8,700 mu of cold waterlogged paddy field transformation, 4,200 mu of land levelling, 8,430 mu of economic forest construction, 3,120 mu of pasture land development, 102 ponds, a 282km canel, 7 pump stations, 102km road construction, 15,332 water cellars, renovation of 5,470 toilets of rural households and schools, 110,000 person-time training and elimination of functional illiteracy of 30,000 persons.

项目建设主要包括：坡改梯20，162亩，旱改水9，050亩，冷浸田改造8，700亩，土地平整4，200亩，经济林建设8，430亩，发展草场3，120亩，修建水塘102座，渠道282公里，泵站7处，修建道路102公里，水窖15，332个，农户及学校厕所改造5，470个，技能培训11万人次，功能扫盲3万人。

Based on the real construction process and field environment of Baoying Pumping Station ,a spatial-temporal dynamic numerical simulation of concrete temperature and stress field in the elbow-shaped inlet channel during the whole construction process of the pumping station was performed by use of FEM program.

根据宝应泵站的实际施工过程和现场环境，采用三维非稳定温度场和应力场有限元仿真程序，对该泵站肘形进水流道混凝土施工全过程的温度场和应力场进行时空动态仿真分析，分析了施工期泵站肘形进水流道混凝土结构裂缝产生的原因，提出相应的防裂措施。

And the optimize of underbalance drilling fluid is gone on in view of stratum and reservoir geologic characteristic in DaQing oil field, finally a suit of reverse emulsion drilling fluid system fitting DaQing oil field underbalance drilling is established, and it is successfully used and verified in erbalance drilling construction work, the effect is very ideal. Additional the well control technique and commensurable auxiliary technique of underbalance drilling are also systematically analysed, a suit of auxiliary technique and well control scheme of underbalance drilling fitting DaQing oil field zone of negative pressure is established.

本文重点对欠平衡钻井负压值的影响因素及确定方法进行了研究；并针对大庆油田地层及油藏地质特征进行了欠平衡钻井钻井液体系的优选，最终确定了一套适合大庆油田欠平衡钻井的水包油钻井液体系，并成功地在欠平衡钻井施工中得到应用和验证，效果十分理想；另外，本文对欠平衡钻井的井控技术及相应的配套技术也作了系统的分析，确立了一套适合大庆油田地层特点的欠平衡钻井工艺技术配套措施及适合大庆油田地层负压特点的钻井井控技术方案。

According to this, the temperature field stress field and autogeny body-expand-deformation field of YangChun arch dam during construction arid operation period are analyzed, thus many significant conclusions are got for reference.

由此，仿真分析了阳春拱坝施工期和运行期温度场、自生体积膨胀变形场及应力场，得到了一些有参考意义的结论。

A C++ program is developed for composing the stiffness matrix of the temperature field, saving it in changing bandwidth method and calculating the linear algebraic function group through using the Gauss eliminating method. A module for drawing the color fringe of tire temperature field is created, which makes the result more visual. Taking the 9.00-20 cross-ply tire on CA1092 as an example, the finite element numerical simulation analysis of automobile tire 2-D steady temperature field is completed. Through comparing the result with the analysis data by ANSYS, this software is proved to be capable of the modeling, calculating and post-processing of FEA of automobile tire 2-D steady temperature field.

采用C++语言完成了温度刚度矩阵的总体合成及其一维变带宽存贮，以及线性代数方程组高斯消去法求解等工作，采用C++语言实现了汽车轮胎二维稳态温度场云纹图的绘制，使得计算结果更加直观，也更能形象地显示汽车轮胎二维稳态温度场的分布状况，以CA1092（原CA142）五吨载货汽车用9.00-20尼龙斜交胎为例，进行了汽车轮胎二维稳态温度场有限元数值仿真分析，通过与ANSYS分析结果进行比较，说明所开发的有限元建模、求解以及后处理软件能够用于汽车轮胎二维稳态温度场有限元分析。

This is quite useful: one may safely enlarge the field ''K'', for instance to get an algebraically closed field; Jordan forms can then be computed over the large field and can be used to determine whether the given matrices are similar over the small field.

不是所有的矩阵都可以对角化，但至少在复数域内，所有的矩阵都相似于一些被称为

State Key Laboratory of Millimeter Waves, Southeast University , Nanjing 210096, ChinaIn this paper, it is proven that the divergence relationship of electric-field and magnetic-field is non-zero even in charge-free regions, when the electric-field and magnetic-field are calculated with Alternating Direction Implicit Finite-Difference Time-Domain method, and the concrete expression of the divergence relationship is derived.

摘要该文证明了即使在无源区域，交替方向隐式时域有限差分法所给出的电磁场量不满足零散度关系，同时推导出了该散度关系的具体表达式。

He studied their excrement for evidence of livestock hair.

他为家畜毛的证据研究他们的粪便。

Loneliness is not grounds for deportation, deportation of the people are not all lonely people.

寂寞也不是放逐的理由，放逐的人也并不都是孤独的人。