因为电子技术的许多理论、定理和公式都是前辈们或经数学分析推导，或通过实验验证、概括和总结出来的。
Be that predecessors or the experiment infering, or passing after mathematical analysis verifies, summarizes and sums up out because of many theory, theorem and formula of electron technology.
因为电子技术的许多理论、定理和公式都是前辈们或经数学分析推导，或通过实验验证、概括和总结出来的。
Be that predecessors or the experiment infering, or passing after mathematical analysis verifies, summarizes and sums up out because of many theory, theorem and formula of electron technology.
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