Compass, compass

2 years ago
3

而compass指南针,Indicates north and south he was invented by Chinese two thousand years ago d action指南针,Look like a spoon。When does goon was put on a play its handle could point to the south using magnetic fields。Den Chinese used a little steel needle to replace the spoon is made a Zhou nan gen easier to carry。Six hundred years ago,郑和,Unique of the Ming dynasty travel to southeast Asia and the Indian ocean seven times。Dont even reached the red sea with the help of the指南针。D invention boos TED the development of navigation。。

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