查询词典 ac

In chapter Ⅶ the perturbation theory on the optical ac Stark effect (see chapter Ⅳ) is applied to study the NMR spectroscopy in paramagnetic and diamagnetic systems.

在第七章，我们将第五章中应用于ESR系统的光移动的处理方法推广应用到NMR体系，探索研究了在激光场的作用下，顺磁体系和具有简并激发态的逆磁体系的NMR谱的变化，提出关于激光诱导的NMR频移的理论。

DIELECTRIC STRENGTH: 300 V AC for 1 minute.

耐压：300伏交流电1分钟。

Differential Algebra related to the idea of AC = BD are presented firstly in chapter two.

最后提出了C-D分离变量的概念，予以形式分离变量法新诠释。

There are two main disadvantages in the present differential algebra equation model used in AC/DC system: one is that 'dimensional calamity' can occur with the increment of DC transmission lines

目前普遍使用的AC/DC系统的微分代数模型主要存在2大缺陷：①随着直流线路的增加可能出现"维数灾难"问题

There are two main disadvantages in the present differential algebra equation model used in AC/DC system: one is that 'dimensional calamity' can occur with the increment of DC transmission lines; another is that it is difficult to deal with the switch of DC control mode.

目前普遍使用的AC/DC系统的微分代数模型主要存在2大缺陷：①随着直流线路的增加可能出现"维数灾难"问题；②不易处理直流控制方式的切换，计算繁杂。

AC analysis shows lower electrochemical impedance and the diffusibility of lithium ion is clearly improved due to Y3+ doping.

交流阻抗测试结果表明， Y3+的掺入能降低材料的电化学反应阻抗和提高材料中Li+的扩散能力。

AC analysis shows lower electrochemical impedance and the diffusibility of lithium ions is clearly improved due to Y(superscript 3+) doping.

交流阻抗测试结果表明，Y(上标 3+)的掺入能降低材料的电化学反应阻抗和提高材料中Li的扩散能力。

The application of the digital signal processor improves the adaptability of AC servo system.

数字信号处理器的应用增强了交流伺服系统的适应性。

ABSTRACT The dissertation presents a scheme of full digital AC driver system based on digital signal processor .

本文研究了基于数字信号处理器DSP的全数字交流伺服系统的设计方法。

This paper presents the research and design of 25Hz AC counting code signalling digital filter.

介绍25Hz 交流计数电码信号数字滤波器的研究设计。

It was just a normal day of school

那只是上学的普通一天

Which is a very good reference in this issue.

这是一个在这个问题上很好的参考。