Simultaneous bottom characteristics surveys were made by using dual-frequency echo sounder and box corer in an experimental sea area, and the bathymetric data and samples for different types of bottom material were obtained.
在典型的实验海区,使用双频测深仪和箱式取样器,对海底进行同步探测,获取双频测深仪不同底质类型数据。
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