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Deduced by the ip iq detection method,it directly applied to asymmetric three phase four wire system,no need to remove zero sequence component,it is correctly detects the fundamental zero-sequence,negative sequence and harmonic component,the simulation results show that its conclusions are correct.

经推导，ip iq 检测法可直接应用于不对称三相四线制系统中，无需先剔除零序分量，同样能够正确检测出基波零序、负序及谐波分量，仿真结果证明其结论的正确性。

It can show the relation of angular speed for each component of automatic transmission. This paper established general mathematical models of multi-DOF transmission analysis on speed ratio and kinematics and dynamics. As generalized coordinates with parameter of independent component. And the developed relevant general programs.

以运动独立构件为广义坐标，建立了包含任意接合元件的多自由度变速器的档位分析，运动分析，力矩分析和动力分析的通用数学模型，并开发了相应的通用计算机程序，通过对典型变速器的实例分析，验证了所建立的通用数学模型的正确性以及所开发的计算机通用程序的有效性。

Perpendicular component of the induction electric field is proportional to the seawater velocity and horizontal component of geomagnetic field.

得到海流在地磁场中感应产生的电场、磁场主要取决于海流的规模，主要参数为海流的速度及海流厚度。

Center sill and body bolster are important component of gondola car, and it is a big threat to the safety operation when the component occurs fracture, so the fatigue limit with high confidence level and high reliability must be gained first.

中梁和枕梁是敞车的重要组件，如果该组件发生断裂，会对行车安全构成极大威胁，所以首先要得到该组件具有高置信度、高可靠度的疲劳极限。

The components of the system being studied are divided into two groups according to degree of volatility, named quasi-heavy component and quasi-light component, then through solving the vapor-liquid equilibrium data of the system, quasi-binary method can be applied to carry out RD graphical design calculation.

把待研究体系的多个组分按照挥发度高低划分为拟重和拟轻两个组分，通过求解体系的汽液平衡数据，可采用拟二元方法进行反应精馏塔的图解设计计算。

Iron- is a component of haemoglobin, an essential component of red blood cells.

铁-是血红蛋白的组成成分之一，是血红细胞的主要成分。

This paper adopts function generation method to decompose tooth-layer permeance with the numerical calculation to constant component and harmonic component.

这为采用解析方法计算直线步进电动机的性能以及直线步进电动机的优化设计提供了依据。

This paper analyses the influence rule on tooth-layer permeance constant component and harmonic component with tooth-layer parameter and magnetometive, It offers basis to calculates the performance of the linear stepper motor with analytical method and optimized design for linear stepping motor.

最后，运用齿层比磁导函数化方法对直线步进电动机的最大电磁推力特性进行了定量研究，分析了永磁体参数、齿层参数对混合式直线步进电动机永磁体工作点的影响，分别计算了不同永磁体参数和齿层参数时的最大电磁推力特性。

Through analyzing the harmonic component of the coupler curve of RCCC mechanism,the relationship between the harmonic component of the rotation-angle function and the dimensional type of the RCCC mechanism was discovered.

通过对其连杆轨迹谐波成分的理论分析，发现了连杆转角函数谐波特征参数与机构尺寸参数的内在联系，进而确定了机构的基本尺寸型。

A key point in Short Time Fourier Transform is the choice of window function. Although rectangle window is regarded as the first choice because it's featured by integral harmonic to filter signals and by DC component, decaying DC component and frequency shift of signals cause great error to rectangle window STFT. In addition, transient signals contain rich information of faults, but the fixed time window of STFT fail to collect these information.

STFT 算法关键问题之一是窗函数的选择，矩形窗以滤除信号整数次谐波和直流分量的特点自然称为首选窗，但衰减直流分量和信号的频率偏移对矩形窗 STFT 造成了很大误差；其次，暂态信号中含有丰富的故障信息，傅立叶变换固定的频窗忽略了这些特征信息。

Don not attempt to do something which you can not to do.

不要企图做那些办不到的事情。

The expression of CTGF and TNF-αweredetected by immunochemistry and the number of Clara Cells was calculated.

光镜下观察肺组织的病理变化，采用免疫组化染色观察肺组织中结缔组织生长因子和肿瘤坏死因子-α的表达和Clara细胞的数量。