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This paper firstly introduces background, conception, research idea, present situation and progress at home and abroad of e-cash technology.
本文首先介绍电子现金产生的背景、概念、研究思路、国内外现状与进展。
The conception, research methods and objective assessment parameters of auditory spatial impression in room sound field are reviewed.
综述了与室内声场空间印象相关的基本概念、研究方法以及客观评价参数。
Let me read to you-- this is taken from his book: "What this kind of research design means is a change in our conception of statistics, and especially of sampling theory.
以下这话引自他的书:,“设计出这类调研是为了,改变我们对统计的观念,尤其是对抽样调查的看法。
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