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Globally, 研华 (Yanhua , 研华 ) is quite a rare unisex given name. The forename 研华 is habitual in Taiwan, where it is quite a rare female name, Hong Kong, where it is a rare feminine name, and Singapore. In absolute terms, it is commonest in China, Taiwan, and the United States. Very seldom, 研华 is the last name as well as the forename.