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звуковая пушка 强调
军队	long-range acoustic device (Дальнодействующее акустическое устройство (LRAD – Long Range Acoustic Device) (также иногда называемое "звуковая/акустическая пушка" – нелетальное оружие, предназначенное для разгона демонстраций, разработано American Technology Corporation. wiki: goo.gl 'More)
农业	bird and animal cannon (The Bird and Animal Cannon is a device which emits a sound similar to a gunshot. Originally designed to be used for repelling birds from crops, the Air Cannon can help keep fields clear of many animals including deer, cats and other foraging wildlife. Ася Кудрявцева); animal bird cannon (The Bird and Animal Cannon is a device which emits a sound similar to a gunshot. Originally designed to be used for repelling birds from crops, the Air Cannon can help keep fields clear of many animals including deer, cats and other foraging wildlife. Ася Кудрявцева); air cannon (The Bird and Animal Cannon is a device which emits a sound similar to a gunshot. Originally designed to be used for repelling birds from crops, the Air Cannon can help keep fields clear of many animals including deer, cats and other foraging wildlife Ася Кудрявцева); propane sound cannon (The Bird and Animal Cannon is a device which emits a sound similar to a gunshot. Originally designed to be used for repelling birds from crops, the Air Cannon can help keep fields clear of many animals including deer, cats and other foraging wildlife Ася Кудрявцева)