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The character and distribution rule of CC round billet internal defect are analyzed and the relation between the defect and process parameters are found, which provide the reference for the billet quality improvement.

本文分析了包钢连铸圆坯内部缺陷的特征及分布规律，找出了内部缺陷与生产工艺参数之间的关系，为改善圆坯质量提供了依

In this paper, the development situation and level of driving disk plow at home and abroad are introduced and their market prospects are analysed. A proposal of further developing the products of driving disk plow in China is put forward.

本文介绍了驱动式圆盘犁的国内外研制情况与水平，并对市场前景作了分析，提出在国内进一步开发有关驱动式圆盘犁产品的建议。

The technical plan in the research on hand tractor attached driving disk plow is expounded with function analysis system technique.

本文从人－机－环境系统出发，综合分析了诸因素之间的内在联系，应用功能系统分析技术，阐述了手扶拖拉机配套驱动式圆盘犁研究过程中有关技术方案，分析了工作偏角α，机组侧向力的平衡、前后圆盘耕深一致等关键技术。

Additionally, the top wall has a flexible annular ring formed axially along an inner surface and depending downwardly therefrom and spaced inwardly of the skirt.

另外，顶壁有一个沿其内表面轴向地形成的向下延伸的弹性圆环，并且该弹性圆环向内与环状裙边分隔开。

After finished the drawbar spring disc alignment then fix the spring disc stopper, and turn in let the spring disc total length to the standard length (114pcs about 277mm), then the drawbar top fix the M16x1.5 nut.

连接杆弹簧圆盘调整成一直线，然后固定弹簧圆盘的止动块，使之总长为标准长度（114个约277mm），再在连接杆顶部固定M16x1.5的螺母。

In this paper, a method is proposed to estimate the plastic zone size, by extending the Dugdale model to three dimensional (3D) crack problems and the crack opening displacement at the tip of a sptatial penny shaped crack by combining the Barenblatt Dugdale model with the principle of 3D J integral, then the relationship between J integral and COD is obtained.

将Dugdale模型推广到三维裂纹问题计算了圆盘状裂纹前缘塑性区尺寸，并结合断裂力学中的Barenblat－Dugdale裂纹模型和三维J－积分原理计算了圆盘状裂纹前缘张开位移，得到了J－积分与裂纹张开位移的关系。

They can be used when we solve the problem of rotating ring by using the eigenfunction expansion method.

并推导非旋转圆环振动模态的正解，作为旋转圆环解求析解时的特徵函数展开法所使用。

In this paper, the transfer matrix of circular polarization phase shifter is derived through coupled wave theory, transfer characteristics of elliptically polarized wave, circularly polarized wave, linear polarized wave are considered.

根据铁氧体耦合波理论推导出圆极化移相器对任意极化电磁波的传输矩阵，在此基础上研究了椭圆极化波、线极化波、圆极化波在移相器内的传输特性。

An Error Analysis of the Work Cylinder with Errors in Ellipticity and Prismatic Roundness when Located on a V-block ;2. The model of circular form based on V-block ,filter,hardware circuit and software flow are introduced.

在工序间检测的基础上，提出了轴承外圈圆度数字化测量系统方案，并在V形块定位的圆度模型推导、测量系统滤波分析、硬件电路和软件流程图方面做了介绍。

This paper discusses the principle of ensilage in twining type of straw bundle cylinder, and necessity of developing the machine twining for plastic film round straw bundle cylinder.

本文论述了圆草捆缠绕式青贮的原理，以及发展圆草捆缠膜机的必要性。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。