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He is known as the most horrid client in the cabaret club industry.

Due to the impact of the Wuhan virus, the whole world is in a difficult situation.

Ebola virus disease is highly infectious and can cause severe symptoms.

Natural numbers start from 0 and continue as 1, 2, 3, 4, 5, 6, 7, 8, 9.

What should I do to find the root number of this equation?

The order of this graph is 5.

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The Reynolds number is an important concept in fluid dynamics.

An irrational number is a number that cannot be expressed as a fraction.