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nine dotted line
Update news nine dotted line
The legend of China’s bogus "cow tongue"
VietNamNet Bridge – The "cow tongue" or "nine dotted line" or “U-shaped line” is a product that has surprised the world, including some Chinese researchers, with some calling it "incomprehensible".
Why local schools choose a Chinese education software?
Why has a Chinese software product, not a Vietnamese or foreign one, been advised to be used at secondary schools? The answer is that there is no Vietnamese suitable product, while foreign ones are too expensive.
