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【简答题】

设Ω为球体x2+y2+z2≤1,求证

题目标签:球体
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参考答案:
举一反三

【单选题】As countless photos from space can prove, the Earth is round the "Blue Marble," as astronauts have affectionately dubbed it. Appearances, however, can be deceiving. Planet Earth is not, in fact, perfe...

A.
A number of photos from space show us that the earth is not round.
B.
People think the earth is fiat, since its appearance deceived people.
C.
Aristotle denied that the earth is flat, basing on the fact that Columbus sailed the ocean.
D.
Tile fact that ships appeared smaller when they sailed away showed the earth is round.

【多选题】75年国际椭球体是( )。

A.
旋转椭球
B.
54年北京坐标系采用的椭球体
C.
WGS-84坐标系采用的椭球体
D.
80西安坐标系采用的椭球体

【单选题】球体:棱:半径

A.
平行线:直线:交点
B.
角:射线:弧
C.
二胡:键:弦
D.
书架:推拉门:隔板
相关题目:
【单选题】As countless photos from space can prove, the Earth is round the "Blue Marble," as astronauts have affectionately dubbed it. Appearances, however, can be deceiving. Planet Earth is not, in fact, perfe...
A.
A number of photos from space show us that the earth is not round.
B.
People think the earth is fiat, since its appearance deceived people.
C.
Aristotle denied that the earth is flat, basing on the fact that Columbus sailed the ocean.
D.
Tile fact that ships appeared smaller when they sailed away showed the earth is round.
【多选题】75年国际椭球体是( )。
A.
旋转椭球
B.
54年北京坐标系采用的椭球体
C.
WGS-84坐标系采用的椭球体
D.
80西安坐标系采用的椭球体
【单选题】球体:棱:半径
A.
平行线:直线:交点
B.
角:射线:弧
C.
二胡:键:弦
D.
书架:推拉门:隔板
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