Inventory management, including monthly inventory and variance analysis, overheadapplication to inventory, accurate valuation of inventories and review obsolescence provision.
库存管理，包括每月库存量和差异分析，确保库存计价的准确性，跟踪和报销呆滞品。
2
If polling is done reasonably well, it should have no impact on the core application performance or overhead.
如果轮询完成得足够好，则它应该不会对核心应用程序性能或开销造成影响。
3
Although reducing GC overhead generally increases application performance, there are exceptions.