例句與造句

1. The determinant of the modified Laplacian matrix by deleting any row and column ( similar to finding the number of spanning trees from the original Laplacian matrix ), above is then a homogeneous polynomial ( the Kirchhoff polynomial ) in the indeterminants corresponding to the edges of the graph.
2. It's difficult to find kirchhoff polynomial in a sentence. 用kirchhoff polynomial造句挺難的