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汉语拼音：wài yán

逻辑学上指一个概念所确指的对象的范围，例如“人”这个概念的外延是指古今中外一切的人。见〖内涵〗。

1. 逻辑学名词。适合于某一概念的一切对象，即概念的适用范围。如“人”这一概念的外延是古今中外所有的人。参见“ 内涵 ”。

• Except in the higher echelons, extensive classification has no place in the classification of vegetation.

  除高阶类级之外，外延分类在植物分类中还是没有地位的。

• Williams describes professional flirtation like an extension of good networking skills.

  威廉斯把职场暧昧定义为一种社交外延手段。

• The evaluating indicators of the quality of teaching has a great ambiguity, that it has no exact outer boundary.

  课堂教学质量的评价指标没有明确的外延边界，具有很大的模糊性。

• The method has a strong physical basis and a high mimic accuracy, but the extensional forecast accuracy will wait to be examined by facts.

  该方法有较强的物理成因基础，模拟精度较高，外延预报精度有待事实检验。

• First, this paper explains the concept of urban public good, limiting it to the economic infrastructure of a city.

  首先，本文阐述了城市公共品的内涵和外延，把城市公共品限定在城市的经济基础设施。

• On the basis of that the concept connotation and extention of the land policy evaluation was defined.

  并提出了对土地政策评价概念内涵及外延的界定。

• The article defines the intension and extension of several main measurement attributes and clarifies the relationships between them first.

  本文首先对几种主要的计量属性的内涵与外延进行界定，理清了它们之间的相互关系。

• The paper first from the concept of customary law of its connotation and denotation definition.

  笔者首先从习惯法的概念入手对其内涵与外延进行界定。

• We still maintain the early report on the company's judgment: robust, endogenous growth accelerated expansion of the counotation.

  我们依然维持前期报告中对公司的判断：内生增长稳健，外延加速扩张。