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The research about the subject largely developed and extended the classical results about homological algebra.The theory of relative homological dimensions of modules and rings are the main research field in the subject.

关于这门学科的理论研究，极大的丰富和发展了同调代数的经典结果，而环与模的相对同调维数理论是相对同调代数这一门学科的重要研究领域。

This paper based on three-dimensional SAR imaging processing technique research subject, which is a subject of 9609 project initiated by our country.

本文对InSAR成像处理技术作了深入研究，解决了InSAR三维成像处理中所遇到一些关键性问题。

The aim of this dissertation is to study on theory and practice of the subject librarian platform so as to construct a powerful tool for subject librarians to enhance their service abilities and qualities.

本论文研究的目的就是从理论与实践两个方面对学科馆员平台进行分析、讨论，以便构建专门的工具系统，提升学科馆员的服务能力与服务水平。

Based on the construction of the analyzing tool—positive subject and passive subject , this article analyze the right and duty of Shareholder ,Creditor of Corporate, Government, competing opponent etc.

在构建主动主体和受动主体这两个分析工具的基础上，本文分析了公司债权人和股东，竞争对手，政府部门等利益群体在揭开公司面纱中的权利义务的差别。

In knowledge economic times, accounting does not be one again is to study with computer and network as major tool, with the subject mainly with ability trainning, how to use and analyse accounting data and accounting information fully efficiently to raise logic analysis ability and thought ability and such the basic subject mainly with basic quality, face the accountant under new situation, for wealth can the quality of people have put forward new challenge.

在知识经济时代，会计学不再是一门以技能训练为主的学科，而是以计算机和网络为主要工具，研究如何充分有效地利用、分析会计数据和会计信息，以提高逻辑分析能力和思考能力等基本素质为主的基本学科面对新形势下的会计，对财会人员的素质提出了新的挑战。

Become the component of the subject equipment on the line of production cause , raise labour productivity, it is with important significance to fully give play to the role of playing the life tool instrument.This subject is the design using the theory of mechanics, mechanical

在起重运输机械中有些是不可缺少的运转设备，但更多的起重运输机械，其作用早已超出单纯的辅助设备范围，它们被直接应用于生产工艺过程中，成为生产作业线上主体设备的组成部分。

Besides many papers specially on studying game theory and its application, game theory is also becoming a common tool in economics field and subject of both theory and application. Many economic phenomena and actions are considered by economists as game problems."Game Theory and Economic Action" of Von Neumann and Zermelo、Borel in 1944 lays a foundation for this subject.

除了许多专门研究博弈论理论及其应用的文章和书籍外，在众多经济学科，经济领域的理论研究和应用中，博弈论也成为普遍运用的工具，许多经济现象和经济行为都被经济学家理解为某种博弈问题。

Take Huacheng Temple and Luxun Historic Block been the practical subject, the research applies its ultimateness to the subject planning and designing.

因借对鲁迅故里历史街区所进行的纵向深入实践，将理论研究与具体实践相结合。

To get around these problems, we can unambiguously define the identity of a subject through resources called subject indicators.

为了避免这类问题，我们可以通过一个称作题目指示符的资源来清晰地定义主题的同一性。

A subject was selected strictly from 30 healthy young people through nasal endoscopic examination, acoustic rhinometry measurement and CT scanning. Based on the CT image data of the subject, digital model of normal nasal cavity was reconstructed through Fluent 6.1.22 software. At the same time, according to the surgical requirements of FESS (remove the uncinate process and open the ethmoid sinus, maxillary sinus, and sphenoid sinus), post-FESS digital nasal cavity model was simulated. The viscous motion of nasal airflow before and after FESS was calculated by Navier-Stokes equations to compare the differences of airflow velocity, distribution, and pressure.

从30例健康青年人中，通过鼻内镜、鼻声反射测定仪及CT检查，严格筛选出一例研究对象，根据该入选对象的鼻腔CT影像资料，利用Fluent 6.1.22软件重建出正常鼻腔的数字模型，同时根据功能性鼻窦内镜手术的要求（切除钩突，开放筛窦、上颌窦和蝶窦）模拟出鼻内镜术后的鼻腔数字模型，再用Navier-Stokes方程对手术前后鼻腔气流的粘性运动进行数值计算，比较内镜手术前后鼻腔的气流速度、分布和压力的差异。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。