In this video I show you how to add, subtract, multiply and divide fractions by working through 52 different examples. I make ...

Abstract: The Bacillus genus is one of the most commercially exploited bacteria in the agro-biotechnology industry, and the Bacillus information is very useful for crop growth. Most existing studies ...

Abstract: Since it is difficult to obtain the number of sources accurately in practical situations, direction-of-arrival (DOA) estimation methods without the number of sources are very much needed for ...

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