题目内容

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

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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

measured for the parallel circle to equator northward or southward, and the range is 0°～90°6. 地球上某点φ＝40°N，λ=120°E，则它与地轴的对称点是_________。Which one is the symmetric point(40°N，λ=120°E) about axis of earth?

A. φ＝40°N，λ＝120°W
B. φ＝40°S，λ＝120°E
C. φ＝40°N，λ＝060°W
D. φ＝40°S，λ＝060°W