The paper introduced in detail the work principle, identified technique of signal coming from water bottom, application method, practical effects and items for attention for HD-17 depth founder.
文中详细地介绍了HD - 17测深仪的工作原理、水底信号识别技术、使用方法、实际应用效果以及注意事项。
The paper introduced in detail the work principle, identified technique of signal coming from water bottom, application method, practical effects and items for attention for HD-17 depth founder.
文中详细地介绍了HD - 17测深仪的工作原理、水底信号识别技术、使用方法、实际应用效果以及注意事项。
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