例句與造句

1. For example, by the Jacobian criterion for regularity, a generic point of a variety over a field of characteristic zero is smooth . ( This statement is known as generic smoothness . ) This is true because the Jacobian criterion can be used to find equations for the points which are not smooth : They are exactly the points where the Jacobian matrix of a point of " X " does not have full rank.
2. It's difficult to find generic smoothness in a sentence. 用generic smoothness造句挺難的