实际上，杜安娜的遥控潜水器最酷的部分是其探测系统。
The actually cool part of Du's ROV is the detection (探测) system.
他的论点很简单：远程控制潜水器因不需要消耗能量的生命支持系统而能在海底停留更长时间——因此，比载人潜艇有更多机会去探索未知领域。
His case is simple: With no power-sucking life-support systems, ROVs offer more time on the ocean floor-and therefore, more opportunity to explore what we don't know-than manned subs.
他指出，要捕捉更高的频率需要收集更多的数据，这对在自主潜水器上使用的相对小而简单的系统来说一直是一个局限。
More data need to be collected to capture higher frequencies, he notes, and this has been a limitation for the relatively small, simple systems used on autonomous subs.
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