主问题

The transient design problems of high-frequency transformer and its buffer circuit of main circuit are discussed in detail and the influence of variation of the elements parameters on the main circuit transient behavior is explored qualitatively and quantitatively.

围绕逆变电源主电路动态过程的设计问题，重点讨论了功率脉冲变压器及其缓冲电路的设计要点，定性和定量地探讨了器件参数变化对主电路动态过程的影响，在仿真的基础上，实现计算机辅助优化设计。

In the third edition the 129 questions and answers were divided into 52 "Lord's Days" with a view to the Catechism's being explained in one of the services on the Lord's Day.

在第三版129个问题和答案，被分为52条"主的日子"，以期向讲授的被解释的其中一项服务，对主的一天。

Firstly, we defined a series of new concepts as the schemata containment, schemata competence, schemata intersection, and schemata dominance. Then, we defined the GA schema deceptiveness based on primary schemata competence, including complete schema deception, consistent schema deception, sequential schema deception, and basic schema deception.

4系统研究了GA欺骗问题，提出了模式包含、竞争与关联等概念，给出了基于主竞争关系的模式欺骗性与GA欺骗问题的严格定义，包括完全欺骗问题、一致欺骗问题、序列欺骗问题和基本欺骗问题。

Based on the Saint-venant equations describing the channel flow movement, the nonlinear algebraic equations derived by the use of Preissmann weighted implicit four-point scheme are solved with the Netwon-Raphson method. A combined Gauss main-element elimination method with compress-storage technique is proposed. The relaxation iterative method for solving branch river networks is extended, which can turn the problem of any complex river networks into the problem of a series of single rivers. The coupling of hydraulic model with water quality model is built up. The combined model was applied to a large complicated river networks with numerical hydraulic structure which influenced by strong tide, storm and heave rain. Visualization of computational results is realized by means of MapInfo, which displays the computational results in fast, convenient and accurate way.

水力模型以描述河道洪水波运动的Saint-Venant方程组为基础，用Newton-Raphson方法直接求解按Preissmann加权四点格式进行离散所得的非线性代数方程组，提出了压缩存贮形式的Gauss列主元消去法并对数值解的收敛性进行了讨论；将支流流量的松弛迭代方法从树状河系推广到了环状河网，使任意复杂河网水力计算的问题都可化为一系列的单一河道的水力计算问题；建立了水力模型与水质模型的联接，初步应用于既有洪水、暴雨、强潮等综合影响，又存在多种水工建筑物及水力调度问题的大型复杂河网中的非恒定流水力、水质计算问题；利用MapInfo对计算结果的可视化进行了研究，有利于决策者快速、方便、准确地作出决策。

To distinguish between a power supply problem is the ground loop problems, a simple method is to control the host computer, the nearest access to a power supply not only the issue of the camera output signal, if the monitor that there is no interference , it indicates control console, no problem.

要分清是电源的问题还是地环路的问题，一种简易的方法是，在控制主机上，就近只接入一台电源没有问题的摄像机输出信号，如果在监视器上没有出现上述的干扰现象，则说明控制主机无问题。

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In this paper, according to the construction technique features of the main girder of Yamen Bridge, the process of construction with the guyed traveler is established and the issues regarding the selection of the guy construction schemes and de...

根据崖门大桥主梁施工工艺的特点，建立了牵索挂篮施工模拟计算的流程，并对牵索方案的选择以及主梁立模标高的确定等问题进行了探讨。在此基础上，给出了崖门大桥主梁的施工流程及其计算结果。

The experiment results show that the measuring errors are more than 10' and these are zero point error and the non-lincar system error when the two obliquity angles of the kingpin are more than 15°, and the system errors increase as the kingpin obliquities increase.

试验表明：受检四轮定位仪当主销两倾角均大于15时，其测量误差大于10'，存在零点和线性度系统误差，且系统误差随主销倾角的增大而增大，从而解决了测量主销倾角量值检定的问题。

Designers then focused on the Main rotor head, where they developed the all metal head to include High-G 3D thrust bearings and dampeners as standard. There would be no tracking issues here at Beam, regardless of head speed.

接下来，研发工程师把主要精力放在了主旋翼头的设计上，全部用高重力 3D 推力轴承和推力调整器安装起来的全金属主旋翼头，Beam机子没有动作缓慢的问题，那么主旋头的转动速度是可想而知的了。

Simply put that "young" is an adjective, and "die" has to be a linking verb even though it can be used as an action verb.

这个问题比较纠结，我指的是主系表结构，即可以简单的理解成主系表，但也以理解为Fredie说的主补，因为那个表语实际就是在说明主语的状态的。

She gently rebuff ed him, but agreed that they could be friends

她婉言拒绝了，但同意作为朋友相处。

If in the penal farm, you were sure to be criticized.

要是在劳改农场，你等着挨绳子吧！