查询词典 transient

It is more than transient everydayness.

那遥是一时的柴米油盐答题。

In order to improve the reliability of the nuclear Generating Sets and the stabilization of the power system, prevent the long time low frequency oscillation caused by the disturbed of the outside electrical net, assured improving the stabilization margin of the nuclear generating sets in the precondition of enough transient stability, validate the sensitivity of the parameter to the damping of Generating Sets of the MEC5220 digital excitation adjustor produce in Japan that used in the Second Project of Qinshan Nuclear Power Plant, confirm the parameter rationality of the digital excitation adjustor, optimize the parameter of PSS, in this paper, we put up a in-depth study to the principle of MEC5220 digital adjustor produce in Japan by the PSS/E software that develop by the PTI Company in the USA, completed the modeling of the excitation adjustor, PSS, generator, excitor, described the performance of this excitation adjustor, analyzed the essential reason that caused the low frequency oscillation, illuminated the factor that influence the damping characteristic of the MEC5220 digital excitation adjustor. Based on model and emulate, this paper optimized the primary parameter of the excitation adjustor, make a reasonable regulation to the PSS parameter.

为提高核电机组的运行可靠性和接入系统的安全稳定性，防止在外电网的干扰下核电机组发生长时间的低频振荡，保证机组在暂态稳定的前提下提高其稳定裕度，验证秦山核电二期核电机组所配日产MEC5220型数字式励磁调节器参数对机组阻尼的灵敏性，确定数字式励磁调节器的参数的合理性，优化PSS整定参数，本文利用美国PTI公司研发的PSS／E软件对日产MEC5220型数字调节器的原理进行进行了深入细化的研究，完成了励磁调节器、PSS、发电机、励磁机的建模，描述了该型励磁调节器的性能，分析了产生低频振荡的根本原因，阐明了影响阻尼特性的因素。

Most of the local and transient population were used to sleeping in the open without mosquito-net which caused the exophily and exophagy of the vector, and made the indoor residual spraying hard to be effective.

提示加强流动人口的管理和对各种防治措施的宣传，使之落实到位仍是我省控制及巩固疟防成果的重要手段。

Based on this concept, the method of dynamic multi-dimension order control in Taylor series expansion technique for transient stability analysis is presented.

在计算暂态稳定轨迹的过程中，根据各个状态变量的不同动态特性和计算精度约束，对时间常数不同的环节采用不同的阶数。

In using the FDTD method to research the transient process of the overhead line, for the convenience of the time domain convolution, the Vector Fitting method is adopted to expend the frequency domain form of ground return impedance into a sum of finite exponential functions which are easy to be treated and test to be valid.

提出了应用矢量匹配法逼近传输线频变阻抗的时域处理方法，从而解决了时域有限差分法难以处理频变问题的困难。

Each time the command processor loads an external command into memory, it places the contents of the file with an EXE or COM extension into the transient portion of the command processor and available memory.

每当命令处理程序把一个外部命令装入存储器时，它就把带有扩展名EXE或COM的文件的内容装入命令处理程序的暂驻部分。

A low cost electronic controlled fuel injection system is integrated. In this system, the A/F ratio control under transient conditions is model based.

集成了一个低成本的、过渡工况空燃比是基于模型控制的、可在实际中应用的EFI系统。

With 3-D transient finite element analysis, the time evolution of dynamic stress intensity factor under different loading rates was obtained and the dynamic fracture toughness was determined by frac...

结合有限元三维动态模拟，得到了不同加载速率下试样动态应力强度因子的时间历程，并由实测的起裂时间确定两种钢的动态断裂韧性。

Finally, based on the characteristics of transient responses and the Morlet wavelet, a family of wavelet functions is introduced and used in the simulation of modal analysis.

文中分析了在众多小波基函数中Morlet小波更适合对动态结构系统进行模态分析的原因，结合Morlet小波的性质和结构系统对脉冲响应信号的特性，构造了一小波族，实现了利用Morlet小波变换对多自由度系统进行模态解耦和对时变系统进行模态参数辨识的方法。

By contrast with routine electricity farad,The transient electromagnetic technique have the special merit. and favorable space resolve gender under conditions of intricacy terrain.

研究表明瞬变电磁法勘探与其它常规电法相比，有许多特出的优点，可在复杂地形条件下工作，有良好的空间分辨性。

Cable dampener cannot be rolled up but must be hung over the cable.

缆帆不能被卷起，必须保证处于展开状态

"This skylark is a present from my master," he says.

"这只云雀是我主人献上的礼物。"他说。