rational

adj.

1. 合理的；理性的；明智的
   based on reason rather than emotions
   1. a rational argument/choice/decision
      合理的论点 / 选择 / 决定
   2. rational analysis/thought
      有道理的分析 / 思考
   3. There is no rational explanation for his actions.
      对他的所作所为无法作出合理的解释。
2. 理智的；清醒的
   able to think clearly and make decisions based on reason rather than emotions
   1. No rational person would ever behave like that.
      有头脑的人都不会这样做。

1. ADJ-GRADED 理性的;合理的
   Rational decisions and thoughts are based on reason rather than on emotion.
   1. He's asking you to look at both sides of the case and come to a rational decision...
      他是要求你看到问题的两面后再作出理性的决定。
   2. Mary was able to short-circuit her stress response by keeping her thoughts calm and rational.
      玛丽能够保持头脑清醒理智，因而迅速做出反应。
2. ADJ-GRADED 理性的;理智的
   A rational person is someone who is sensible and is able to make decisions based on intelligent thinking rather than on emotion.
   1. Did he come across as a sane rational person?...
      他看起来是一个正常而理智的人吗？
   2. Rachel looked calmer and more rational now.
      雷切尔现在看上去更加平静、更加理智了。

1. He was rational and consistent in the conduct of his affairs
   他处理私事时头脑清楚，始终如一。
2. Priestley's rational outlook in science carried over to religion
   普里斯特利在科学上的理性世界观延伸到了宗教思想上。
3. The alphabet might be more rational if all the vowels came first
   如果把所有的元音列在前面，字母表可能会更为合理一些。
4. Is this a rational thing to expect of your partner, or not?
   指望你的伴侣做这件事合理吗？
5. When you're confronted with the problem, emotions kick in, fear kicks in, and you don't always do the rational and thought-out approach.
   当面临这个问题时，人会变得情绪激动、恐惧不安，你不一定总能采取理性且慎重的方法。
6. The arrangement presumes that both lenders and borrowers are rational.
   这一协议假定借贷双方都是在神志清楚的状态下签订的。
7. All your arguments presuppose that he's a rational, intelligent man
   你所有论点的前提都是他是一个理性而聪明的人。
8. He's asking you to look at both sides of the case and come to a rational decision
   他是要求你看到问题的两面后再作出理性的决定。
9. Mary was able to short-circuit her stress response by keeping her thoughts calm and rational.
   玛丽能够保持头脑清醒理智，因而迅速做出反应。
10. Did he come across as a sane rational person?
    他看起来是一个正常而理智的人吗？
11. Rachel looked calmer and more rational now.
    雷切尔现在看上去更加平静、更加理智了。
12. She was of a rational turn of mind.
    她是个理性的人。
13. Try to be rational.
    理智点儿。
14. Ideas about "rational" economic man are being overturned by new ones from a discipline called behavioural economics.
    有关理性经济人的思想就正在被一个新兴的、名为行为经济学的学科给推翻。
15. As a source of knowledge the strength of rational statements lies in reliability and predictability, but not in breadth or applicability.
    作为知识的来源之一，理论叙述的作用在于可靠性和预见性，而不在于广泛性和实用性。
16. The salariat class are longing for a rational return in the commercial housing price.
    工薪阶层都盼望高房价能合理归位。
17. This phenomenon has more to do with psychology than rational economics.
    与理性经济学相比，心理学与这种现象的关系更大。
18. Rational Software Architect is an integrated design and development tool that leverages model-driven development with UML.
    RationalSoftwareArchitect是一个集成式的设计和开发工具，它利用了UML的模型驱动开发。
19. Because they want to use a method authoring and configuration tool, they opt for IBM Rational Method Composer.
    由于需要使用方法创作和配置工具，他们选择了IBMRationalMethodComposer。
20. Jim Heumann of IBM Rational describes a method to generate test cases from use cases and scenarios.
    IBMRational的JimHeumann描述了一个方法，由用例和情境生成测试用例。
21. Rational Insight performance measurement and management reports help you improve project and process performance for software and systems development.
    RationalInsight性能评价及管理报告，可以帮助您改进软件和系统开发的项目和过程性能。
22. IBM Rational can help you with your software delivery process automation planning and value analysis.
    IBMRational有助于您进行软件交付过程自动化的计划和价值分析。
23. These users can create, manage, and set up user access to Rational System Architect encyclopedias.
    这些用户可以创建、管理和构建用户对RationalSystemArchitect百科全书的访问。
24. Rational Method Composer's process authoring capability provides additional flexibility in carrying out such customization and management.
    RationalMethodComposer的过程创造能力在执行定制和管理方面，提供了额外的灵活性。
25. The deployed definition and resources files of the iWidget can now be dynamically edited in Rational Application Developer.
    这个iWidget的部署定义和资源文件现在可以在RationalApplicationDeveloper中动态编辑了。
26. This is the simplest method to transfer Rational Projects.
    这是转换Rational项目最简单的方法。
27. Rational Method Composer expresses method content using concepts such as tasks, roles, work products, and guidance.
    RationalMethodComposer使用诸如任务，角色，工作产品和指导的概念表达方法内容。
28. IBM Rational Portfolio Manager is a highly scalable tool for project and portfolio management.
    IBMRationalPortfolioManager对项目和投资组合管理是高度可伸缩的工具。
29. Rational Build Forge automates and accelerates the build and release process.
    RationalBuildForge自动化和加速构建和发布流程。
30. If you invoke the method, Rational Functional Tester automatically compares the actual values with the expected values.
    如果您调用了该方法，那么RationalFunctionalTester会自动比较实际值和预期值。

  rational reasonable sensible【导航词义：合理的】

  rational adj. 合理的，理智的

〔辨析〕指想法、决定等基于理性判断的，也指人能冷静思考的。

  reasonable adj. 有道理的，合情理的

〔辨析〕指说法、请求、问题、报价等合情合理的，侧重公平性和合理性。

  sensible adj. 明智的，合理的

〔辨析〕指人及行为合理、务实且表现出良好判断力的。

noun

1. an integer or a fraction

   Synonym:    rational number

adj

1. having its source in or being guided by the intellect (as distinguished from experience or emotion)
   1. a rational analysis

2. of or associated with or requiring the use of the mind
   1. intellectual problems
   2. the triumph of the rational over the animal side of man

   Synonym:    intellectualnoetic

3. consistent with or based on or using reason
   1. rational behavior
   2. a process of rational inference
   3. rational thought

4. capable of being expressed as a quotient of integers
   1. rational numbers