Because the longitude is vertical and the latitude is horizontal, the meaning of the word is extended, and people call the north-south road the longitude and the east-west road the latitude. In the Zhou Li Examination Worker Chronicle: Nine Meridians and Nine Latitudes of the Middle School of the Kingdom. This means that there are many north-south roads in most of them, and there are also many east-west roads.
The world's warp and weft threads are named because these threads, like the spinning threads on the loom, are arranged horizontally and vertically vertically, and the two have strong similarities. (Speaker Yang Fengbin, Professor, Department of Chinese, Shanghai University)
【Source: Hubei Network Radio and Television Station】
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