In order to enhance automation and to design low price and performance reliable control systems for the miniature water works, the single-chip computer control system was adopted to control the work.
The system of the single chip AT89S52 of the central apparatus analyzes the data and shows the total amount and price of the oxygen consumption of each user with the monitor.
AT89S52单片机系统对分机数据进行处理，由显示系统显示每个用户用氧的总用量和价格。
3
Another risk is stocks, also known as non-system risk, namely the possession of a single stock market facing the risk of price fluctuation.