求翻译：741运算放大器成了微电子工业发展历史上一个独一无二的象征，历经了数十年的演进仍然没有被取代，很多集成电路的制造商至今仍然在生产741。直到今天μA741仍然是各大学电子工程系中讲解运放原理的典型教材。是什么意思？

741 op-amp into the history of the microelectronics industry a unique symbol, after decades of evolution has not been replaced, many IC manufacturers still in production 741. Until today μA741 is still the Department of Electronic Engineering in principle to explain a typical op amp materials.

741 operational amplifier into the microelectronics industrial development history, a unique symbol of 2 10, has experienced a number of evolution has still not been replaced, many IC manufacturers are still producing 741. It was not until today 741 µA remains the university lectures in electronic e

Today operational amplifier, regardless of were uses the transistor or the vacuum tube, the separation type part or the integrated circuit part, the operational amplifier potency all already gradually approached the ideal operational amplifier the request.The early operational amplifier is uses the

The 741 operational amplifier into a unique symbol in the history of the microelectronics industry development, still has not been replaced after decades of evolution, many integrated circuit manufacturers still produce 741. Μ A741 until today remains the cover in Department of electronic engineerin

The 741 operational amplifier into a unique symbol in the history of the microelectronics industry development, still has not been replaced after decades of evolution, many integrated circuit manufacturers still produce 741. Μ A741 until today remains the cover in Department of electronic engineerin