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单词 depth recorder
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depth recorder
depth recorder n. a device for recording either how far below the surface of the sea it is or the depth of water below a vessel.
ΘΚΠ
society > travel > travel by water > vessel, ship, or boat > equipment of vessel > navigational aids > [noun] > depth-finder
depth recorder1911
depth finder1923
Fathometer1925
echo-sounder1927
echometer1937
1911 Encycl. Brit. XIX. 295/1 Lord Kelvin's sounding machines..in the later form known as the ‘depth recorder’, where..results are obtained by the automatic record of the position of a piston forced upwards in a tube by..increased pressure.
1961 Listener 24 Aug. 269/1 After the war, echo-sounding and depth-recorders were introduced to fishing boats, and echoes were received of big shoals of fish.
extracted from depthn.
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更新时间:2024/12/24 10:39:50