Ship-based sonar would help, but ship-based instruments have mapped only about 10 percent of the ocean floor so far.

尽管船舶声纳技术也用得上，但是迄今为止利用船舶器械仅仅绘制出海底地貌的10%。

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Underwater GPS positioning system includes four parts which are GPS differential reference station, GPS buoy subsystem, underwater pinger, ship-based data processing and control center.

差分gps水下立体定位系统包括GPS差分基准站、GPS浮标、水下收发机、船基控制中心四部分。

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Ship-based use of Puma AE does not require modification to naval vessels.

舰载应用的Puma AE无需对海军舰船进行修改。

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One such area being addressed is how to distribute a stable electric current across a ship-based grid.

ECONOMIST: MONITOR

Since they are biodegradable, that means ship-based driving ranges can be revived.

FORBES: Lobster Golf Balls to Revive Ship Driving Ranges

Department, says a ship-based NMD system is technically possible.

CENTERFORSECURITYPOLICY: Freedom Flame 2013