IN THE waters of Kongsfjord, an inlet on the coast of Spitsbergen, sit nine contraptions that bring nothing to mind as much as monster condoms. Each is a transparent sheath of plastic 17-metres long, mostly underwater, held in place by a floating collar. The seawater sealed within them is being mixed with different levels of carbon dioxide to see what will happen to the ecology of the Arctic waters.
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Each is a transparent sheath of plastic 17-metres long, mostly underwater, held in place by a floating collar.
每个都是17米长的塑胶套子，大部分淹没于水下，由一个浮动的环状装置固定住。
In the dissertation, the design about reality and cleaning device and controlling system of the Underwater Ship face cleaning Robot has mostly been fulfilled.
本文主要完成水下船体表面清刷机器人的本体、清刷装置和控制系统设计，并对清刷机器人的位置检测方式进行研究。
The underwater high-speed vehicle surfaces are enveloped by cavity entirely or mostly, which reduces skin friction drag and allows the vehicle to obtain high speed.
水下超高速航行体的全部或大部分表面被空泡包裹，使其阻力显著降低而达到高速航行的目的。
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