文球

该文针对球墨铸管三磨联合机采用西门子simaticS7-300PLC作为其控制核心，从而大幅提高了生产效率。

Simatic S7 - 300 PLC was used in the control of three - step milling of ductile pipe .

该文用球矢量波函数对各向异性铁氧体介质涂覆导体球的电磁散射解析解开展研究。

The analytical solution of electromagnetic scattering to an anisotropic ferrite-coated conducting sphere by a plane wave is discussed in this paper .

针对这个问题，文中采用球坐标变换方法，对铜川市产业结构和就业结构进行预测。

This paper adopt sphere coordinate changing method to forecast industrial structure and labor structure in Tongchuan on this problem .

文中利用球坐标下弹性力学的基本方程和有限单元分析的基本方法，编制了球壳有限单元程序，选择中国大陆的主体区域进行了实例计算检验；

In this paper , the shell finite element program is coded on the base of fundamental elastic equation and FEM .

该文介绍磁悬浮球实验系统的结构与工作原理，根据模糊控制技术，设计了一个二维模糊控制器。

This paper introduces the structure and working principle of magnetic levitation ball experiment system . According to the technology of fuzzy control , we design a two-dimension fuzzy controller .

该文围绕乒乓球机器人伺服系统的硬件设计及相关图像处理、识别和轨迹预测等算法的研究和改进展开论述。

This paper elaborates the study and improvement of the visual servo system on the hardware designs and the algorithm developments for the related imagery processing , the recognition and the trajectory prediction .

该文得出了超球级数为指数型的充要条件；讨论了两个指数型超球级数的和、积及Hadamard积的性质及指标图的性质。

In this paper , the necessary and sufficient condition is established which entire fuction , and deals with the quality of sum , product and Hadamard product between two index type functions , their indicatrix qualities also been given .

文中对大球转子及实心转子主动阻尼结果进行了对比分析，表明对于实心转子ESG，赤道刻线主动阻尼方案能将阻尼时间减少到被动阻尼的10%。

Comparison analysis between active damping results for solid ESG rotor and hollow ESG rotor is made . Analysis results show that the damping time for this active damping scheme is about 10 percent of that applying passive damping solely .

文中介绍了球墨铁经渗钨钼、镍铬之后的合金渗层的组织、成分和性能特点，研究和分析了处理温度、时间、铸铁成分和辉光放电条件等因素对合金渗层形成过程的影响。

Microstructure composition and properties of the alloyed layers are introduced .

文中给出了球壳失稳临界压力、厚度与直径的关系曲线，据此可选择潜水器耐压球壳的最佳几何尺寸。

The relationship charts of instability pressure , thickness and radius of pressurized spherical shell are established , so the reasonable geometric parameters of submersible pressurized shell are selected according to the charts .