当我们开始与库交流时，我们调用一个名为 newsession 的函数，它会返回一个空指针（这是组织事情的惯用方法）。
When we start talking to the library about something, we call a function called newsession that returns a void pointer (not an unusual way to organize things).
该方法通过实时检测三相交流输出电流方向得到方向函数，利用该函数选择一个PWM周期内不同电压矢量作用时间来控制中点电流的方向，实现电压平衡。
By getting the direction function from the output AC current, the applied time of voltage vectors in one PWM period was chosen, the direction of central current was controlled for DC voltage balance.
补数键控的新版本为你的工具箱增加电容器、感应器和交流电压源！现在你可以画出和时间形成函数关系的电流和电压。
This new version of the CCK adds capacitors, inductors and ac voltage sources to your toolbox! Now you can graph the current and voltage as a function of time.
根据交流流体网络理论，通过单传管路的传递函数阵分析了液压流体系统的频率响应特性。
Based on the theory of ac fluid networks, the frequency response characteristics of a hydraulic fluid system were analyzed.
为了提高交流伺服系统的跟踪性能，将预测函数控制(pfc)和PID控制相结合，提出了一种PF C - PID串级控制策略。
To improve the tracking performance of ac servo-system, PFC-PID cascade control strategy is presented by combining the PFC with PID control.
文中提出了基于开关函数理论的HVDC换流器直流等值阻抗和交流等值阻抗计算方法。
The paper presents a method to determine equivalent DC impedance and equivalent AC impedance of HVDC converter viewed respectively from DC side and AC side based on switching function theory.
提出用交流分量到直流分量的距离作为加权因子对频谱评价函数进行改进，有效地提高了对焦评价曲线的灵敏度。
We revised frequency spectrum functions by using weighting factor - the distance between direct component and alternating component, and improved the acuity of focus measure curve.
在编码之前先写测试强迫你申明函数运行的环境，以及与客户代码交流的方法， 以及渴望的结局。
By writing the tests first—before the code—you are compelled to state the context in which your functionality will run, the way it will interact with the client code, and the expected results.
功率放大电路及校正网络的传递函数。阐明了用实验法求取交流发电机的传递函数，及对飞机调压系统进行动态分析的基本方法。
The paper also describes the principal method of obtaining the transmission function of the AC generator by experiment and the dynamic analysis of the aircraft voltage-regulating system.
所以仅仅做一个构造函数私有并不交流意图很好，和由此产生的错误也不是很清楚，。
So just making a constructor private doesn't communicate the intention very well, and the resulting error is not very clear, either.
岩石的种类和岩样的物理状态与交流阻抗谱之间具有因果关系和线性函数关系，可以通过交流阻抗谱特征来研究岩石的物理性质。
Based on the test, the conclusion is that the causality and linear functional relation are existed between rock and AC impedance spectra. AC impedance can disclose the properties of rocks.
岩石的种类和岩样的物理状态与交流阻抗谱之间具有因果关系和线性函数关系，可以通过交流阻抗谱特征来研究岩石的物理性质。
Based on the test, the conclusion is that the causality and linear functional relation are existed between rock and AC impedance spectra. AC impedance can disclose the properties of rocks.
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