A plane that cuts the Earth’s surface at any angle and passes through the center will always form().
- Athe equator
- Ba great circle
- Ca small circle
- Da meridia
A plane that cuts the Earth’s surface at any angle and passes through the center will always form().
1、The vertical component of the Earth’s
The vertical component of the Earth’s magnetic field causes induced magnetism in vertical soft iron. This changes with latitude. What corrects ...
2、A plane that cuts the Earth’s surface
A plane that cuts the Earth’s surface and passes through the poles will always form().Athe equatorBa loxodromic curveCa small circleDa meridia
3、()means the curve on the earth’s surfa
()means the curve on the earth’s surface which cuts all the meridians at the same angle.AGreat CircleBPosition LineCRhumb lineDTrue Bearing
4、27. If the X-43A goes round the earth,
27. If the X-43A goes round the earth,it will take about ________hours to finish the trip.A3B5C8D12
5、The Earth has the shape of a(n) ().
The Earth has the shape of a(n) ().AsphereBoblate spheroidCspheroid of revolutionDoblate eggoid
6、It’s not advisable to cut()the power s
It’s not advisable to cut()the power supply.AoutBoffCdownDaway