在标准大气中,海平面上的气温和气压值是:( )。
(A)15 ∘C.1000hPa15\,^\circ C.1000hPa15∘C.1000hPa
(B)0 ∘C.760mmHg0\,^\circ C.760mmHg0∘C.760mmHg
(C)15 ∘C.1013.25hPa15\,^\circ C.1013.25hPa15∘C.1013.25hPa
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