In Listing 8, you pass your input through your map script, sort that output (optional step), and then pass the resulting intermediate data through the reducer script.
This system makes use of the technique of database searching and language VBA to complete the whole process of indexing reducer model from data table and drawing the assembly drawing.
The system can acquire, process, display, record, monitor, print and analyze the vibration data of mill's reducer, and also can perform failure diagnosis.