Hydrographic Surveys of the Missouri River at Deroin chute, 2011-13
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An Innerspace 456 single-beam echosounder in conjunction with a Trimble® differential Global Positioning System (DGPS), HYPACK® navigation software, and Ashtech...
一套Innerspace 456型单波束测深仪,与天宝(Trimble®)差分全球定位系统(Differential Global Positioning System,DGPS)、HYPACK®导航软件及阿什泰克(Ashtech)相关设备联合使用……



