formula value的用法和样例：
例句
- Real application indicates that multiple regression formula can have high accuracy during short-term predication with high application value.
实际应用表明，建立的多元回归公式在短期预测时达到了较高的精度，具有较高的应用价值。 - A British professor has developed a mathematical formula to help people find out exactly how much an hour of their time is worth.
英国的一位大学教授计算出了一个数学公式，帮助人们计算具体每个人的一个小时价值多少。
