宇宙学常常涉及复杂的数学模型。

Cosmology often involves complex mathematical models.

科学家使用数学模型来测试假设。

The scientist tested the hypothesis using mathematical models.

学生们正在学习如何构建数学模型。

Students are learning how to build a mathematical model.

数学模型可以帮助我们理解复杂的系统。

A mathematical model can help us understand complex systems.

通过数学模型，我们可以模拟经济增长。

Through a mathematical model, we can simulate economic growth.

科学家们使用数学模型来预测天气变化。

Scientists use a mathematical model to predict weather changes.

这个数学模型非常复杂，需要大量数据。

This mathematical model is very complex and requires a lot of data.

物理学家经常使用复杂的数学模型。

Physicists often use complex mathematical models.

离散化有助于简化复杂的数学模型。

Discretization helps in simplifying complex mathematical models.

制导系统的数学模型。

The Mathematical Model of Homing Guidance System.