They invented the storedprogramcontrol switch in the 1970s, as a move toward cost reduction and reliability.
1970年代他们发明了程控交换机，保证了可靠性，降低了成本。
2
Computer is a machine that accepts and processes data into information under the control of a storedprogram.
计算机是一种在存储程序的控制之下，接收数据，并把其处理成信息的机器。
3
The program can stored 50 sets function parameters, makes the operation easily. Auto counting function limit output and enable product control conveniently.