Essential models are more robust than concrete representations simply because they are more likely to remain valid in the face of changing requirements and changing implementation technology.

As increasing of mining depth, advancing of outputs of a single working face and changing of geological conditions, the disallowed gas concentration appears frequently at longwall top coal caving face in Lu' an mining district, blocks the farther advancing of producing level.

随着采深加大、工作面单产的提高及地质条件的变化，潞安矿区综放工作面瓦斯超限频繁，严重制约了综放集约化生产水平进一步提高。

Experimental Study of Mechanical Seal Face Stability in Changing Conditions

变工况条件下机械密封端面稳定性实验研究

But our biliary surgeons should be well prepared to face the changing concepts of therapeutics and the changing technology in the coming century.

当前在我国虽然仍以传统的胆道外科技术为主，但胆道外科医生们在迎接未来世纪来到的时刻，应该有治疗观念上转变和技术上转变的准备。

This paper analyses the theoretical and practical basis of China's super national treatment policy to direct foreign investment and the adjustment of this policy in face of the changing economic situation.

本文分析了我国对外商直接投资实行超国民待遇的理论依据和现实基础，并在客观评述经济情况发生变化的基础上分析了我国对外商直接投资待遇政策的调整趋势。

As the most fundamental part of middleware platform, TP monitor particularly should be highly extensible in face of changing requirement.

事务监控器作为中间件平台中最基础的部分，更加需要具备高可扩展性以适应不断变化的需求。

In the face of changing business processes, The paper also explains how to use SOA to build the system made some effective practice.

在面对多变的业务流程下，本文也对如何用SOA来构建系统作了一些有效的实践。

One important incentive for architects is to make sure that the entire enterprise ecosystem continues to function, even in the face of changing requirements and capabilities.

架构师的一个很重要的动机是确保整个企业生态系统可以正常工作，即使面对不断变化的需求和功能。

This article tries to point of drinking, revealing "Bamboo Forest" the face of changing when the Council and the impermanence of life, their peculiar behavior.

本文从饮酒的角度，试图揭示竹林七贤面对多变政局和无常人生时，各自所特有的行为表现。

In an architecture-focused process, the goal is to produce, in early phases, an architecture that is resilient in the face of changing requirements.

在基于架构的过程中，目标是尽早地产生一个面对需求变更仍然很灵活的架构。

I'm thinking now would be a good time to do more, too.

我想他又会在去变脸吧。

The research of Chinese fir in China

百安居中国变脸记中国杉木研究

We cannot talk about face changing without mentioning Sichuan opera.

提起变脸，我们先要说说川剧。

The Evolvement of Coke& Coal's Export Licences

中国煤炭、焦炭出口许可证变脸

The Research on Earnings Management of the Phenomenon of "Face Changing" in IPO Process

对IPO公司变脸现象中盈余管理行为的研究

Phosphorus requirements of dairy cow in China

百安居中国变脸记我国奶牛磷需要量

New Developments in Foreign-funded Enterprises

变脸：外资商业新动向

The venerable Hypertext Markup Language is getting a face lift, too.

流行的超文本标记语言也正在进行大变脸。

There are major parts on the face of maintenance equipment and maintenance and production methods.

还有变脸器具上各大配件的保养与维护以及制作方法。

On Market Positioning of the News Weekly in China

百安居中国变脸记我国新闻周刊的市场定位分析

On the Brand Management

观品牌变脸谈品牌管理