The water droplets are being sent into the air by the vibration of a male alligator's sub-sonic call.
一只雄短吻鳄鱼哼叫时发出的亚音波激起片片水花。
This system consists of sonic sonde, magnetic locator sub, gamma ray tool, depth system, surface preprocessing unit, data acquisition interface, PC486 and thermal plotter.
该系统由声波、磁定位和自然伽马下井仪、深度系统、地面预处理电路、数据采集控制接口电路、486微机和热敏绘图仪等构成。
The paper presents a new computational method named two steps various shape FLIC method, applied for the existence of the supersonic , sub critical sonic , transonic, shock wave.
提出了一种可解决超音速、亚音速、跨音速、冲击波共存的流场计算方法，即变形流体网格两步法。
The paper presents a new computational method named two steps various shape FLIC method, applied for the existence of the supersonic , sub critical sonic , transonic, shock wave.
提出了一种可解决超音速、亚音速、跨音速、冲击波共存的流场计算方法，即变形流体网格两步法。
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