MRP: 1。 = Material Requirements Planning Material Requirements Planning (a set of techniques for calculating material requirements by using bill of materials, inventory data and master production planning).

2.= Manufacturing resource planning Manufacturing resource planning (an effective method to plan all resources of a manufacturing enterprise, including business plan, production plan, master production plan, material demand plan, capacity demand plan and execution support system related to capacity and materials).

ERP: enterprise resource planning

EDI: 1。 Electronic data interchange

2. Electronic data interface

PO: power oscillator power oscillator

PSI: pollution standard index

SAP: service access point service access point