xǔ / duō / lì / shǐ / xué / jiā / zhuān / mén / yán / jiū / Fǎ / guó / Gé / mìng / de / shè / huì / yǐng / xiǎng许多历史学家专门研究法国革命的社会影响。Many historians specialize in studying the social impact of the French Revolution.