[定义](%E5%8F%91%E6%96%AF%E8%92%82%E8%8A%AC%E5%AE%9A%E4%B9%89.md) [参数](%E5%8F%91%E6%96%AF%E8%92%82%E8%8A%AC%E5%8F%82%E6%95%B0.md)