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The daily recurring pattern of pressure changes most noticeable in low latitudes is the ______.
A.daily lapse reading
B.diurnal variation of pressure
C.pressure tendency
D.synoptic pressure
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单选题The daily recurring pattern of pressure changes most noticeable in low latitudes is the （）.A
daily lapse readingB
diurnal variation of pressureC
pressure tendencyD
synoptic pressure
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