题目内容

航海上划分方向的方法中最常用的是：________which method is the most usual to give direction in navigation？

A. 半圆周法 semicircle direction
B. 圆周法 circle direction
C. 罗经点法 compass point direction
D. 四点方位法 four points bearing

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罗经点方向NNW换算成圆周方向为__。Compass point direction NNW is which is measured by circle direction.

A. 292°.5
B. 303°.75
C. 326°.25
D. 337°.5

罗经点方向ENE换算成圆周方向为__。Compass point direction ENE iswhich is measured by circle direction.

A. 067°.5
B. 079°.75
C. 056°.25
D. 033°.75

半圆方向30°NW换算成圆周方向为__。30°NW measured by semicircle direction iswhich is measured by circle direction.

A. 210°
B. 240°
C. 300°
D. 330°

罗经点方向N/W换算成圆周方向为__ 。Compass point N/W is which is measured by circle direction.

A. 348°.75
B. 281°.25
C. 315°
D. 337°.5