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[birdwatcher]

Gorbachev says Russia needs change.
Боян!!! Было двадцать пять лет назад.

Comments

[birdwatcher.livejournal.com]

p.s. даже первообразная есть: absement (http://wearcam.org/absement/Derivatives_of_displacement.htm). One meter-second corresponds to being absent from an origin or other reference point for a duration of one second.