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Automatic activation device
/ˌɔːtəmˈatɪk ˌaktɪvˈeɪʃən dɪvˈaɪs/
/ˌɔːɾəmˈæɾɪk ˌæktɪvˈeɪʃən dɪvˈaɪs/
AADAutomatic activation device
01
自動作動装置, オートマチック作動装置
a safety mechanism that automatically initiates specific actions, such as deploying a parachute or releasing targets
Example
The AAD saved the skydiver by deploying the reserve parachute when needed.
Competitive shooters use automatic activation devices to release clay targets at precise intervals.
