- 定时炸弹 dìngshízhàdàn hidden dangerA hidden danger or ticking clock that could lead to a sudden crisis at any time.
- 定时器 dìngshíqì timerA device used to measure or control time, specifically one installed on electrical or mechanical switches to automatically turn them on or off at a set time.
- 定时钟 dìngshízhōng timerclock timer; timing clock; an alarm clock that can be set to ring at a specific time
- 定时信管 dìngshíxìnguǎn timed detonatora fuse or detonator set to explode at a predetermined time
- 定时开关 dìngshíkāiguān time switchAn electrical switch that automatically turns a device on or off at a pre-set time.
- 定时摄影 dìngshíshèyǐng time-lapse photographya photography technique that takes a sequence of frames at set intervals to record changes that happen slowly over time
- 安定时间 āndìngshíjiān settling time(control theory) the time required for a system to stabilize after a change
- 不定时炸弹 bùdìngshízhàdàn time bombtime bomb; a hidden danger that can cause damage or disaster at any moment