一旦语言从2岁左右开始发展，他们就有了一个符号表征系统，可以谈论过去和现在环境之外的事情。
Once language starts to develop from about age 2, they do have a system for symbolic representation and can talk about things which aren't in their immediate environment including the past.
在上世纪六十年代以前，语言的符号表征一直被视为是人类的专利。
Until the 1960s, symbolic representation of language was thought to be uniquely human.
我先采用一个简单的定义：计算机是一个根据规则处理符号表征的仪器。
I shall instead assume the following rough definition of what a computer is: it is a device which processes representations according to rules.
本研究在修改实验材料的基础上，采用此种研究方法对幼儿的符号表征能力作进一步探究。
The two studies reported here confirm that above 3 years old children have had a certain degree of symbolic representations.
结果显示，部分旅游地网站旅游地宣传口号缺失，同时网站上各符号表征内容存在不和谐之处。
The results show that publicized slogans lack in part of tourism destination websites and there exists sense of disharmony in the contents of symbol expression on websites.
实验1中被试读完句子以后马上进行图画探测任务，结果表明这时被试头脑中进行的是知觉符号表征。
The results in experiment 1 showed that there is perceptual symbol representation in comprehension when subjects complete recognition task once after they read the key sentence.
实验1中被试读完句子以后马上进行图画探测任务，结果表明这时被试头脑中进行的是知觉符号表征。
The results in experiment 1 showed that there is perceptual symbol representation in comprehension when subjects complete recognition task once after they read the key sentence.
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