The expensive and time-consuming work of designing a custom wired chip was replaced by the flexible 4004 microprocessor and the instructions stored in a separate ROM (Read Only Memory) chip.
以前又贵有费时有线芯片后来被方便携带4004微处理器取代，4004微处理器装在一个单独光盘芯片上(就是只读存储器)。
The expensive and time-consuming work of designing a custom wired chip was replaced by the flexible 4004 microprocessor and the instructions stored in a separate ROM (Read Only Memory) chip.
以前又贵有费时有线芯片后来被方便携带4004微处理器取代，4004微处理器装在一个单独光盘芯片上(就是只读存储器)。
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