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Firstly, it is possible to foster the fall of dictatorial regimes, which has been done recently.

第一，促进专制政权倒台是可能的，最近就推翻过专制政权。

The dielectric loss of the PLCT ceramics after polarization increases firstly, and then decreases with increasing frequency.

极化后的PLCT陶瓷的介质损耗，随频率的增加先升高，然后降低。

This paper firstly introduced the dielectric and its polarization mechanism. The concept and present situation of the dielectric and high dielectric materials as well as the CaCu3Ti4O12 materials were introduced in this thesis.

本文首先介绍了电介质及其极化机制、高介电材料的概念、高介电材料研究背景和目前CaCu3Ti4O12材料的研究情况。

Firstly, the reduced dynamic model including motor dynamics is developed for mobile manipulators. The system is then decomposed into four lower-dimensional subsystems by applying diffeomorphism and nonlinear input transformation to the reduced model. The design of the second order dynamical sliding mode controller is then addressed for the output tracking of mobile manipulators.

首先给出了包括驱动电机动态特性的移动机械臂的简化动态模型，然后通过微分同胚和输入变换将其分解为四个低阶子系统，并给出了其输出跟踪的二阶动态滑模控制器的设计方法。

A class of affine nonlinear system of single input-single output is investigated. Firstly, the nonlinear system is transformed into an equivalent linear system through a diffeomorphism transformation. The networked control problems for the delays are constant, stochastic and shorter than a sampling period, and long and stochastic are investigated respectively.

针对一类单输入-单输出仿射非线性系统，首先通过微分同胚变换实现了仿射非线性系统的无反馈精确线性化；然后基于精确化线性模型，分别讨论网络延时为常时滞，随机时滞小于一个采样周期和随机长时滞情况的控制问题。

The differentiability of the initial stresses and elastic constants of the surrounding rocks of tunnels is discussed firstly from the point of view of finite element method.

1引言 输入参数(岩体力学参数、初始应力场)和岩体本构关系不准确是岩土工程数值模拟的两个瓶颈问题[1]。

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。

Firstly, illustrate the fundamentals (differential-integral optimizing theory) of the category of algorithms briefly in the sight of differential and integral calculus. Then two examples of the category of algorithms are listed.

首先从函数逼近的角度论述了数值积分与全局最优化的关系，随后从微积分的基本原理和定积分的定义出发对该类算法的几何意义和数学基础作了简要论述；在此基础上给出了该类算法的几个具体实现。

Firstly, a differential pressure air circuit system is employed and designed in this research.

设计了差压式气路测量系统，设计制造了实验用轴向式气动测头。

This paper firstly introduces the basic concept of differential equations.

文章首先给出了微分方程的基本概念。

The studies on the developing of new media are very important to the increasing of the area density of HDD and to the implementation of hybrid recoding technology.

光磁混合记录方法，是一种可以突破超顺磁极限的限制，并进一步提高硬盘记录密度和读写速率的一种新型超高密度信息存储方式。

In io, mTOR inhibition promotes T cell anergy under conditions that would normally induce priming.

体内研究中，在正常可激发免疫反应的条件下，抑制mTOR可促使T细胞无能。