backlogs

n.

积压未办之事( backlog的名词复数 )；没交付的订货；备用；备用物

v.

（使）积压( backlog的第三人称单数 )；储存；（为日后装运而）登账确认（订货）；

1. My secretary can not cope with the backlog of paperwork.
   我的秘书无力处理积压下来的文书作业。
2. It will take a month to clear the backlog of work.
   要花一个月的时间才能清理完积压的工作。

1. Orders are starting to backlog faster than we can process them.
   订单开始形成积压,我们来不及处理。

Order Backlogs and Production Smoothing
Patent backlogs, inventories and pendency: An international framework
Quick simulation of excessive backlogs in networks of queues
Quick Simulation of Excessive Backlogs in Networks of Queues
Analysis of Remote Terminal Backlogs under Heavy Demand Conditions
A quick simulation method for excessive backlogs in networks of queues
Large deviations theory and efficient simulation of excessive backlogs in a GI / GI / m queue
Uncapacitated lot-sizing problem with production time windows, early productions, backlogs and lost sales
Stabilizability of production-inventory systems incorporating unfilled-order backlogs with retarded control policies
Rolling horizon heuristics for production planning and set-up scheduling with backlogs and error-prone demand forecasts