- 计数器 jìshùqì countera device, circuit, or software component used for counting and recording the number of occurrences or items
- 计数法 jìshùfǎ notationa system or method for representing numbers or performing counts
- 计数率仪 jìshùlǜyí ratemeter
- 本底计数 běndǐjìshù background count
- 计数管 jìshùguǎn countercounter; counting tube
- 盖革计数器 Gàigéjìshùqì Geiger counter
- 统计数据 tǒngjìshùjù statisticsstatistical data