例句與造句

1. The entry Second partial derivative test only uses a function of 2 variables to illustrate how Hessian determinant can be used to determine maximums and minimums.
2. The eigenvalues of this matrix can be used to implement a multivariable analogue of the second derivative test . ( See also the second partial derivative test .)
3. It's difficult to find second partial derivative test in a sentence. 用second partial derivative test造句挺難的