生活中,我们称分量论斤两,量长度论米尺。那么,我们怎样来度量和表示信息量的多少呢?干百年来,人们沿用的古老方法,就是用收到消息的数量来衡量信息的多少,这是不科学的。因消息并不等于信息,消息只是信息的形式,而信息则是包含在消息中的实质性的内容。如你得到的消息都是你已知的东西,那你就没获得什么信息;如你只得到一条简短的消息,可内容却是你闻所 In life, we call weight two pounds, the amount of length meters. How, then, how do we measure and express the amount of information? For centuries, the ancient method followed was to measure the amount of information by the amount of information it received, which was unscientific. Because the message is not equal to the message, the message is only the form of the message, and the message is the substantive content contained in the message. If you get all the information you know, then you do not get any information; if you only get a brief message, but the content is what you smell