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- Two trapezoids are the same in shape and hold a common winding as the bottom side, while the midpoint of the common winding is the ground of four phase systems. 2个梯形形状相同，并具有共同的底边，其中点为四相系统的公共点。
- four phase system 四相
- Its advantages are high speed and precision especially in multi phase system. 它在多组份，尤其是多相系统中具有计算速度快、精度高等优点。
- This paper analyses the reason that neutral current is not zero when linear three phase system load connects to three phase four wire system source in Y connection. The resolution is also given. 分析了线性三相对称负载Y联接在对称三相四线制电源时 ;中线电流不为零的原因 ;并给出了解决的方法 .
- They counted four phase s in a cycle: new moon, half moon, full moon and half moon. 他们把四个阶段算做一个周期：新月、半月、满月和半月。
- The aging or denaturalization can not happen in the CSP when phase system was transformed, so it has some stability. 所制备的CSP在相体系转化时不发生老化和变性,显示了一定的稳定性。
- Using the nonminimum phase system parameter model transformation of the model for the controller design. 采用了非最小相位系统参数模型转换为参数模型的控制器的设计。
- Study of Four Phase Power Transmission System 四相输电方式研究
- The QPM gratings with two phase shifting domains and four phase shifting domains were numerically calculated, and the mechanism of the bandwidth enhancement was explained. 数值计算了引入两个相移域和四个相移域的QPM光栅，并解释了引入相移后带宽加宽的机理。
- For a non-minimum phase system, the interaction of the system is viewed as measurable disturbance and decoupled using feedforward strategy. 针对非最小相位系统，将系统的耦合作用视为可测干扰，采用前馈方法予以消除。
- The relationship between aqueous two phase system (ATPS) and liquid crystal (LC) of cationic and anionic surfactants mixture was studied. 研究了正离子表面活性剂CTAB与负离子表面活性剂SDS混合系统的双水相(ATPS)与液晶(LC)结构的关系。
- The relation between elastic mod ulus and Poisson's ratio in isotropic sin gle phase material is suitable for thin film in the thin film ?substrate sys t em (two phase system). 同时表明单相材料中剪切模量与弹性模量之间的关系也适用层状材料中的薄膜材料。
- In the control engineering, the non-minimum phase system is very common and more restive, and two kinds of intellectual control method have been designed in this paper. 非最小相位系统在控制工程中比较常见而且难于控制,本文采用了两种智能控制的方法对系统进行优化控制。
- They are usually presented in boxes of four which indicate the four phases of the moon. 月饼通常是每盒里装四块，代表月亮的四个变化阶段。
- Reason is due to Donnan effect of phase systems and hydrophobicity of products. 较相近条件下的单水相反应得率提高近20%25。
- The rational transient process is set by the improving TD based on the classical PID controller, which effectively reduces undershoot of non-minimum phase system. 针对水轮发电机组的非最小相位特性，基于设置过渡过程的思想，在传统的PID控制器的基础上应用改进的TD设置合理的过渡过程，有效的减小了非最小相位中的反调。
- It's important to note that not every Migraineur (a person with Migraine disease) experiences all four phases. 但并非每个偏头痛患者都经历四个阶段。
- Higher-order Statistics (HOS) is the primary analysis tools, which can be used to analyze non-casual system, non-minimum phase system and non-Gaussian signal. 高阶统计量是研究非因果、非最小相位系统和非高斯信号的主要分析工具。
- Chinese catering industry is flourishing with four phases of great-leap-forward development. 摘要中国的餐饮业经过四个阶段的跨越式发展，已呈现出一派繁荣的景象。
- The means of "Four Phases" by VB was introduced to urban bus transit demand forecast in Guangzhou Development Zone. 摘要采用基于VB编程的“四阶段法”对广州开发区公共交通需求进行了预测。
