例句與造句

1. A state-of-the-art GPS unit that simultaneously tracks up to five satellites and updates information every second, it has a navigation plotter, built-in digitized background map and a removable minicartridge mapping chip that depicts inland and coastal hydrography, federal and state highways, cities, towns and more.
2. It's difficult to find navigation plotter in a sentence. 用navigation plotter造句挺難的