In years, many analog electronics experts all over the world think that the computer aided symbolic analysis has its important practicable value in analog circuits' analysis and design.
多年来，国际上不少模拟电子专家认为，计算机辅助符号分析对于模拟电路的分析与设计具有重要的实用价值。
Along with the development of electronics and computer technology, the way of earthquake observation is getting to be digital measure instead of traditional analog measure.
地震观测数字化，地震观测资料的载体发生根本转变，数字观测记录光盘的归档与管理就成为科技档案管理部门目前急待解决的一个问题。
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