Gold has little utility except as a store of value, unlike most commodities (like oil, which is consumed as quickly as it's extracted and refined), so its supply/demandschedule has unusual traits.
The process starts at the top level with a Master Production Schedule (MPS). This is an amalgam of known demand, forecasts and product to be made for finished stock.
整个过程开始于第一级MPS (Master Production Schedule，主生产计划).这是要用于最终库存的已知需求、预想和产品的综合。
3
Monitoring on demand (MOD) lets you set up of a schedule to capture a percentage sampling of requests during a timeframe in which you suspect that there are issues.
按需监视(Monitoring on demand, MOD)允许设置计划，以捕获您怀疑存在问题的时间段中的请求的百分比采样。