未分类题

A fairly accurate estimation of a ship’s position can be calculated by a technique know as ___.
A.dead reckoning
B.pilotage
C.great circle sailing
D.geographic navigation

A.A.dead
B.pilotage
C.great
C.geographic

【参考答案】

A
一个相当精确的估计船位能被航迹推算法计算出来。

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A fairly accurate estimation of a ship’s position can be calculated by a technique know as ___.A.dead reckoningB.pilotageC.great circle sailingD.geographic navigation