该系统以plc的先进功能特别是高速计数功能为核心，通过信号控制和数据运算，实现铸坯切割的自动定尺。
According to the core of PLC's advanced functions, especially its high-speed count function, the automatic cut to length is realized by signal control and data computing.
单片机是将运算器、存储器、定时器、模数转换器和串行通信接口等集成在一个芯片上的小型计算机系统，它可以被嵌入到各种自动控制器和智能电子产品中。
Microcontroller is a small computer system that integrates ALU, memory, timer, ADC, UART, etc in one chip. it can be embedded into many kinds of controllers and intelligent electronic products.
设计描述了通用型运算放大器参数自动测试系统的设计。
This paper describes the design of automatic multi-parameter testing system of general purpose operational amplifier.
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