介绍

Chapter 2 mainly discusses the basic acknowledge of Sobolev space and Banach spacedifferential, and also discusses basic theory of parameter identification and optimal control ofparabolic distributed parameter system.

第二章主要介绍了Sobolev空间和Banach空间微分学的基础知识，还介绍了抛物型分布参数系统参数辨识与最优控制的基本理论。

This paper based on 180,000 tons of synthetic ammonia and 300,000 tons of urea Manufacturing Process of Henan Heartbeat Chemical Company ,which is born by Zhejiang soupcon Co., LTD.

本文对集散控制系统的发展过程进行了综述，介绍了集散控制系统的基本结构和工作原理，介绍了集散控制系统的发展趋势及近几年来集散控制系统在工业现场的具体运用情况，并重点分析了浙大中控的ECS-100集散控制系统的特点和组成。

In the first chapter, we have introduced the research background and someresearch achievements of Laplacian spectral radius, and we also introduce somebasic conceptions on algebraic graph.

在第一章中，我们介绍了图的Laplace谱半径的研究背景以及近年来国内外学者的一些研究成果，也介绍了代数图论中的一些基本概念。

Firstly, this paper briefly introduces the development of imaging spectrometer, and the recent development of the imaging spectral technique.

本文首先简要地介绍了成像光谱仪的发展概况，介绍了国内外在成像光谱技术方面的最新进展。

Preservative, antioxidant, edible pigment, chromogenic agent, decolourant, essence, spicery, condiment, emulsion, etc are mainly introduced as well as the uses of food additives and their international and internal standard.

主要介绍我国在食品方面常用的防腐剂、抗氧化剂食用色素、发色剂、漂白剂、香精、香料、调味剂、增稠剂乳化剂、膨松剂、酶制剂及食品加工助剂、强化剂。同时介绍食品添加剂的安全使用和国际、国家标准。

First, the ICF and the fast ignition are introduced simply. Secondly the basic concepts and theories for laser-plasma interaction are expatiated, then the recent research status, the generation mechanisms of spontaneous magnetic field during the interaction of laser-plasma are described in detail. Finally the introduction is focused on the experiment setup and results of spontaneous magnetic field on 20TW laser facility in China Academy of Engineering Physics Key Laboratory.

论文简单介绍了惯性约束聚变和快点火的概念，阐述了激光等离子体相互作用相关的基本概念和基础理论，比较全面地阐述了激光与等离子体相互作用中自生磁场的研究现状、产生机制，并详细介绍了在高温高密度国家重点实验室20TW超短超强激光装置上利用高次谐波伴线结构法取得的自生磁场测量结果。

The Shatterstone is a common weed of Spurge family (for the family's characteristics, please refer to the 886th issue of Academia Sinica Weekly) on campus.

在《周报》第886期介绍了大戟科植物特徵，以及飞扬草、千根草和伏生大戟三种植物，这次继续介绍本科的常见杂草－叶下珠。

The intelligent power module, the detect circuit of current and motor speed, DSP and the program implement of the function module of the squirrel-cage induction motor vector control system are all presented particularly in this paper.

文中对智能功率模块 IPM、DSP 芯片、电流和转速检测电路以及异步电机矢量控制系统各个功能模块的 DSP 编程实现都进行了详细的介绍，重点介绍了模糊算法和空间矢量算法的 DSP 编程实现方法。

At first he told us county government structure and functions, then state and central government .

他先介绍了郡、县政府的结构和功能，接着介绍了州政府和中央政府的结构和功能。

On stereoscopy, the paper resolves the problem of stereoscopy in VR application. From theory to practice, the paper discusses stereoscopic organization of physical and computer rendering, introduces familiar stereoscopic system, especially dual channel system.

按照从理论到实践的思路，从生理机制、计算机绘制机制介绍了立体显示原理，介绍了常见的立体显示系统尤其是双输出立体显示系统，之后从视觉生理、视觉几何和心理等角度分析了显示效果的影响因素，并提出了相应的措施，最后在OpenGL、WTK和3Dmax等平台实现了立体显示。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。