例句與造句

1. A " generalized cone " is the surface created by the set of lines passing through a vertex and every point on a boundary ( also see visual hull ).
2. The multitude of directions, from which a display can be seen without artifacts and distortions that would render its intended use impossible ( e . g . computerized office work, television, entertainment ) is called the "'viewing cone "'( even though its shape might be that of a generalized cone ).
3. It's difficult to find generalized cone in a sentence. 用generalized cone造句挺難的