canonical form of a linear hypothesis

例句：

1. 1.The canonical form of the document is in this file.
   该文件的规范形式在此文件中。
2. 2.The canonical form of a linear hypothesis is its simplest possible form.
   线性假设的规范形式是其最简单的可能形式。
3. 3.The canonical form of the equation is x^2 + y^2 = z^2.
   方程的规范形式是x^2 + y^2 = z^2。