Patrick Frater Asia Bureau Chief“Jurassic World Dominion” held on to top spot at the mainland China box office despite a 57% drop and the expected challenge from local newcomer “One Week Friends.”The dinosaur franchise movie picked up $23.3 million (RMB156 million) in China between Friday and Sunday, giving it a healthy cumulative score of $92.4 million after ten days in theaters, according to data from consultancy Artisan Gateway. The film’s performance was a steep decline from its opening weekend, but the competition from new release Chinese youth drama film “One Week Friends” was weaker than had been anticipated.Released only on Saturday, “One Week Friends” earned $5.8 million (RMB38.9 million) from its first two days in Chinese theaters.