jī / qì / xué / xí / píng / gū / shí / zhēn / fǒu / dìng / jù / de / shù / liàng / kě / yǐ / bāng / zhù / wǒ / men / jì / suàn / mó / xíng / de / zhǔn / què / lǜ机器学习评估时,真否定句的数量可以帮助我们计算模型的准确率。When evaluating machine learning, the number of true negatives can help us calculate the model's accuracy.