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A mercurial barometer at sea is subject to rapid variations in height ("pumping") due to the pitch and roll of the vessel. To avoid this error，measurements of atmospheric pressure at sea are usually measured with a(n) ______.
A.syphon barometer
B.cistern barometer
C.aneroid barometer
D.fortin barometer
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更多 “ A mercurial barometer at sea is subject to rapid variations in height ("pumping") due to the pitch and roll of the vessel. To avoid this error，measurements of atmospheric pressure at sea are usually measured with a(n) ______.A.syphon barometerB.cistern barometerC.aneroid barometerD.fortin barometer ” 相关考题
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单选题The purpose of the “set” hand on an aneroid barometer is to（）.A
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indicate any change in the reading of the barometerC
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provide a correction for temperature changes
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单选题Normal pool elevation is the height in feet of the section of river above a dam. This height is measured from（）.A
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used to measure the speed of windB
in which the pressure of the air is measuredC
that tells which direction a storm is coming fromD
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