| 摘要 |
A method for retrieving water samples from a body of water comprises positioning a remotely controlled boat on a body of water, moving the boat to a predetermined location on the body of water, lowering a probe attached to the boat into the body of water, wherein the probe includes a plurality of sample tubes contained therein, rotating a disc positioned above the plurality of sample tubes to line up a mouth of one of the sample tubes with an aperture to flow water into the sample tube.
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