count-key-data device

例句：

1. 1. This device can count the number of items in a warehouse.
   这个设备可以统计仓库里物品的数量。
2. 2. The data device is used to collect and analyze data from various sources.
   数据设备用于收集和分析来自各种来源的数据。
3. 3. The count-key-data device was designed to help employees track their progress.
   计数键数据设备被设计用来帮助员工跟踪他们的进度。