题目内容

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

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measured for the parallel circle to equator northward or southward, and the range is 0°~180°

A. 自该点等纬圈向南或向北度量到赤道,度量范围0°~90°。

measured from the meridian of the point to Greenwich meridian eastward or westward, 0°~360°

A. 由格林子午线向东或向西度量到该点子午线,度量范围0°~180°。

地理经度以________作为基准线的。______is the base line of geographical longitude

A. 赤道 equator
B. 格林经线 Greenwich meridian
C. 测者经度 longitude of observer
D. 测者子午圈 meridian of observer

Under the leadership of the Chief Engineer and the Second Engineer, the No.1 Oiler is responsible for arranging the Oiler’s watch keeping as well as the cleaning and routine maintenance of the machinery, boilers, pump rooms and other spaces. 机工长在轮机长和大管轮的领导下,负责组织、安排机工值班以及机、炉、泵舱等处所的清洁和日常维修保养工作。

A. 正确 true
B. 错误 false

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