一台四元组放大器包含四个恒等电路单元。

A quad amplifier contains four identical circuit units.

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用于包含四个(恒等)电路单元的电子器件或电路的一种术语(“四元组反相器”、“四元组放大器”)。

A term applied to an electronic device or circuit that contains four (identical) circuit units; (" a quad inverter "; "a quad amplifier").

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应用真值矩阵分析逻辑电路具有直观、简便的优点，并可由其运算结果导出一些对称三值逻辑运算的恒等式。

Application of truth matrix to analyze a logic circuit is intuitive and simple, and the results may lead to the derivation of some identical relations of certain symmetrical ternary logic system.

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