例句與造句

1. Some shoppers are opting for 6-or 7-foot dishes that scan 20 to 30 satellites rather than DBS.
2. While testing was successful, the French Navy now had no need for a catapult floatplane, as catapults had been removed from its ships, and although consideration was given to using the type as a trainer, the SCAN 20 was selected instead and the HD-730 was abandoned.
3. It's difficult to find scan 20 in a sentence. 用scan 20造句挺難的