例句與造句

1. For example, the Petersen graph can be drawn with unit edges in E ^ 2, but not in E ^ 1 : its dimension is therefore 2 ( see the figure to the right ).
2. Example : A 3-unit long by 1-unit wide ( aspect ratio = 3 ) sheet made of material having a sheet resistance of 21 ? / sq would measure 63 ? ( since it is composed of three 1-unit by 1-unit squares ), if the 1-unit edges were attached to an ohmmeter that made contact entirely over each edge.
3. It's difficult to find unit edge in a sentence. 用unit edge造句挺難的