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The complex vector model for permanent magnet synchronous motors is presented and the performance of the equivalent complex current controller is investigated using complex vector root locus and complex frequency response functions.

建立了永磁同步电机复矢量模型，应用复矢量根轨迹法和复矢量频域分析法对复平面等价形式的永磁同步电机电流调节器性能进行了研究。

It is based on the difficulty of computing the discrete logarithm modulo for a composite number and the factorization problem of large integer.The size of the group signature and verification time of the group signature are equivalent to that of an individual signature.

该方案的安全性是基于求离散对数和RSA大整数因式分解的困难，其群签名长度和群签名的验证时间只相当于一般个人签名。

The paper puts forward the mechanism of combined waveform and computation of a SPWM area center equivalent.Harmonic of double pole SPWM waveform is analyzed in this paper.

文中给出了按照面积中心等效法合成SPWM波形的机理以及面积中心等效算法，并对双极性面积中心等效法生成的SPWM波形进行了谐波分析。

This model eliminates the computational error of the inertia force obtained by static equivalent principle in conventional two-mass model, and can obtain dynamic characteristic data effectively and accurately.

为降低多缸发动机曲柄连杆机构的振动，根据多刚体动力学理论，建立了参数化的曲柄连杆机构动态仿真模型，克服了传统的双质量模型中采用惯性力静力等效法的误差。

Inequality proof of various ways, they were: use derivative testify inequality nature, Includes using functional monotonicity and extreme value, the function and the concave and convex inequality, proving is concave and convex function in the original definition of equivalent definitions and a lemma is proposed on the basis of relevant concave and convex function of several theorems about inequality, and briefly discusses how to use the definitions and theorems in proof of inequality.

不等式的证明方法多种多样，它们分别是：用导数性质证明不等式；包括利用函数单调性，极值与最值，函数凹凸性证明不等式，其中在给出凹凸函数原始定义等价的解析定义和一个引理的基础上提出有关凹凸函数关于不等式的几个定理，并简要阐述了利用定义和定理在证明不等式中的运用。

Years experience in concierge or related discipline or an equivalent combination of education and experience.

拥有1年礼宾部工作经验，或与此相当的教育和相关工作经验结合的背景。

A method of calculating condensate equivalent gas volume is shown in this paper.

本文提供了计算凝析油当量气体体积的方法。

It is easier to read and understand a call to shorterString than it would be to read and interpret an expression that used the equivalent conditional expression in place of the function call.

阅读和理解函数 shorterString 的调用，要比读一条用等价的条件表达式取代函数调用表达式并解释它的含义要容易得多。

In terms of the synoptic environment and precipitation characteristics, there were some common characteristics in these two cases. For instance, warm and moist air with the conditional instability atmosphere in the lower troposphere, it was associated with the highest equivalent potential temperature gradient and strong moisture contrast to below 700 hPa. The lower-level convergence was the major produced mechanism of MCS and the low-level southwesterly flow generated convective instability.

从综观环境条件与降水特徵显示，两个案共通特徵包括（1）低对流层属暖湿条件性不稳定大气，（2）最大相当位温梯度以及水气梯度分布於700 hPa以下，（3）低层辐合均为个案中MCS之重要激发机制，（4）有明显低层西南喷流，大气呈现对流性不稳定状态，（5）中层短波槽线的移入，以及（6）高层辐散分流场的存在，提供MCS发展的有利环境条件。

The mechanism was similar to the equivalent barotropic warm core structure. The Conditional Instability of the Second Kind was the primary mechanism of development and maintenance for MCSs in case 2005. As the MCSs intensified and persisted, the latent heating was highly efficient in producing significant enhancement of Mei-Yu front systems. The LLJ intensified by Coriolis acceleration of ageostrophic wind was induced by the effect of latent heat release. The LLJ and the effect of latent heat released reinforce each other in convection system through a positive feedback process.

综合而言，2005年个案中梅雨锋面结构为垂直近乎不倾斜的浅系统，槽线系统不明显，锋面水平温度梯度微弱，低层具有强水平气旋式风切，较似正压系统，个案中MCS发展及维持机制，主要是透过CISK 过程来维持；其过程是由於低层锋面带上之辐合激发对流发展，对流潜热释放造成局部气压梯度增强，因而增强地转风；而潜热释放亦有利低层辐合之增强，产生非地转风，再透过科氏加速增强西南风，使LLJ增强，形成一正向的回馈作用。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。