例文
- Speeds attained were around at, with a relatively low practical ceiling of.
- The maximum practical ceiling was 8, 200 m ( 26, 900 ft ).
- While Windows 3.0 was limited to 16 MB maximum memory, Windows 3.1 can access a theoretical 4 GB in 386 Enhanced Mode . ( The actual practical ceiling is 256 MB . ) However, no single process can use more than 16 MB . File Manager was significantly improved over Windows 3.0.