yán / jiū / rén / yuán / zhèng / zài / yōu / huà / zhè / ge / zǐ / mó / xíng / de / cān / shù / tí / shēng / zhěng / tǐ / yù / cè / zhǔn / què / lǜ研究人员正在优化这个子模型的参数,提升整体预测准确率。Researchers are optimizing the parameters of this submodel to improve the overall prediction accuracy.