2. Symmetrix Principle
Shutter Speed Controls the exposure time. It must be reasonably fast. 1/15 sec, 1/30, 1/60, 1/120, 1/250, 1/500, … The slower shutter speeds need good.
English Dictionary
Tim Sheard Oregon Graduate Institute Lecture 11: A Reduction Semantics for MetaML CS510 Section FSC Winter 2005 Winter 2005.
Diccionario world
