The three methods have the high reliability to the airborne sound target, may as the sorter input.
三种目标提取方法在对空中目标声信号的特征提取均具有较高的可靠性，可作为分类器的输入。
Airborne sound insulation is separation capability of air-borne sound, and the performance of airborne sound insulation between rooms is an important criterion of privacy.
空气声隔声是对空气传播声音的隔绝，房间之间空气声隔绝的性能是评价室内环境私密性的重要指标。
The research on air-to-water sound transmission is essential for designing underwater acoustic system to detect airborne target.
设计良好的水下对空声探测系统，需要深入理解空气声波透射入水规律。
Regiment 501 of airborne division 101 is lucky enough to land safe and sound at Chaoyang park, reportedly the only clearing within the 4th ring Road.
唯一在四环内空降的101师501团降落在了朝阳公园，那是四环内唯一一片有空地的地方。
Regiment 501 of airborne division 101 is lucky enough to land safe and sound at Chaoyang park, reportedly the only clearing within the 4th ring Road.
唯一在四环内空降的101师501团降落在了朝阳公园，那是四环内唯一一片有空地的地方。
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