null fill造句

例句与造句

1. Null fill in the vertical plane is used to prevent this.
2. "' Null fill "'is used in radio power away from the main lobe and electrically direct more of it at a more downward angle in the vertical plane.
3. Along with null fill, beam tilt is the essential parameter controlling the focus of radio communications, and together they can create almost infinite combinations of 3-D radiation patterns for any situation.
4. It's difficult to find null fill in a sentence. 用null fill造句挺难的