As a system engineering, the biomedical experiment teaching demonstration center may face various kinds of certain or uncertain factors, and the center may even depart from the original intention.

前言： 作为一项系统工程， 生物（医学）基础课实验教学示范中心在实践过程中，会面临各种确定或不确定因素的干扰，导致“示范中心”背离建立时的初衷。

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Writers entrust language to its original intention, manifest the emotional element of speech sounds, fresh the meaning of vocabulary and depart from the conventional pattern of grammar.

作家的这种赋予主要表现在：回到语言的原意中去，在语音上开掘情感要素，在词汇上推陈出新，在语法上不落窠臼等各个方面。

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