mathematical prediction

例句：

1. 1. The mathematicianmade a mathematical prediction about the future ofthe economy.
   数学家对经济的未来做出了数学预测。
2. 2. The scientist used mathematical equations to predictthe weather for the next few days.
   科学家使用数学方程来预测未来几天的天气。
3. 3. The engineer made a mathematical prediction aboutthe performance of the new machine.
   工程师对新机器的性能进行了数学预测。