см. тж. до сих пор
• The laser used to date has required ...
• The gap between the two portions of Saturn's ring is called "Cassini's division" to this ( or the present ) day .
• The switch makes possible heretofore impractical applications of ...
• Huge reserves of ore, hitherto virtually untouched, will become available.
• To date our highest emitter power has been ... wt/cm 2 .
• This movement is observed to the present ( or this ) day .
• Until the present time few investigations have been conducted of ...
• Up to now , there has been no detailed work done to find ...