例句與造句

1. The fragment density is claimed to be two per meter square at 15 meters with the fan of fragments reaching a height of two meters at a range of 30 meters.
2. Given the requirements of weight and fragment density, approximately 700 fragments were needed, with the ability to aim the mine with an accuracy of around two feet ( 0.6 m ) at the center of the target zone.
3. It's difficult to find fragment density in a sentence. 用fragment density造句挺難的