Chebyshev polynomial of the first kind

例句：

1. 1. The first-kind Chebyshev polynomial is a useful tool for analyzing complex systems.
   第一类切比雪夫多项式是分析复杂系统的一个有用的工具。
2. 2. In engineering, the first-kind Chebyshev polynomial is often used to model vibrations instructures.
   在工程中，第一类切比雪夫多项式经常用于模拟结构中的振动。
3. 3. The first-kind Chebyshev polynomial is also known for its ability to approximate smooth functions.
   第一类切比雪夫多项式也因其能够近似光滑函数的能力而闻名。