Finding a needle in a haystack generally describes an event with a probability of 0. ( )
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In the Fibonacci sequence, the sum of the first two is exactly the value of the latter item. ( )
The Noether’s theorem states that each symmetry of the action corresponds to a conservation law and has a conserved quantity. ( )
Go chessboard was composed of 19 straight lines horizontally and vertically since it was invented. ( )
Least squares are a collective correction to a set of data with errors. ( )