问题
单项选择题
请问某船由30°S,60°E航行至40°S,60°W,则该船经差和纬差的方向分别为()。
A.E经差、N纬差
B.W经差、S纬差
C.E经差、S纬差
D.W经差、N纬差
答案
参考答案:B
请问某船由30°S,60°E航行至40°S,60°W,则该船经差和纬差的方向分别为()。
A.E经差、N纬差
B.W经差、S纬差
C.E经差、S纬差
D.W经差、N纬差
参考答案:B
用所给词或词组的适当形式填空。(本题有10小题,共20分)
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