19. In the high sea, ship position can be obtained by using ________.
(A) the coastal navigation
(B) the celestial navigation
(C) traditional navigation
(D) the great circle navigation

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統計: A(1), B(4), C(0), D(0), E(0) #4055147

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#7682760
本題考的觀念 船舶在海上定位,必須取得...
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