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| 1. | acoustic detection |
| 声波探测 |
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| 2. | For passive acoustic detection at a short distance, a ship should be considered as a volume sound source |
| 在近程探测条件下,舰船应被视为体积声源,沿舰船艏艉方向分布有三个明显的声辐射亮点部位[]即螺旋桨部位,主机部位和辅机部位,这就是舰船的三亮点模型。 |
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| 3. | acoustic emission detection |
| 声发射探测 |
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| 4. | a shipboard system consisting of an acoustic detection system that is towed behind the ship. |
| 由一个拖在船后的声音探测系统组成的船载系统。 |
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| 5. | acoustic emission detection system |
| 声发射检测装置 |
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| 6. | A model was constructed in laboratory to simulate the acoustic emission pipeline leak detection. |
| 在实验室条件下,建立了压力管道泄漏的声发射检测模型。 |
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