The Royal Navy frigate HMS Montrose is to get a new electronic 'brain 'which will help her crew defend the ship against air, surface and underwater threats.
For another thing, the experiments suggest aragonite allows the chitons to see equally well in air or underwater, something that's probably useful as tides ebb around the mollusks.
另外，实验还显示，碳酸钙眼睛允许石鳖在水中和空气中达到相同的视力，这可能有助于它们适应潮汐变化。
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Those that do tend to be insect larvae, which live on land, making their sounds into the air rather than underwater.