46.以GPS在A點進行定位,測得A點接收儀天線中心橢球高為123.003m,量得儀器高為1.325m,A點之正高為115.038m,則A點之大地起伏值為何?(A)9.285(B)6.640(C)8.285(D)7.640

1. Avogadro's hypothesis states that: (A) Each atom of oxygen is 16 times more massive than an atom of hydrogen. (B) A given compound always contains exactly the same proportion of elements by mass. (C) When two elements form a series of compounds, the ratios of masses that combine with 1 gram of the first element can always be reduced to small whole numbers. (D) At the same temperature and pressure, equal volumes of different gases contain an equal number of particles. (E) Mass is neither created nor destroyed in a chemical reaction.

46.以GPS在A點進行定位,測得A點接收儀天線中心橢球高為123.003m,量得儀器高為1.325m,A點之正高為115.038m,則A點之大地起伏值為何?
(A)9.285
(B)6.640
(C)8.285
(D)7.640

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