Metaprogramming has many uses in large-scalecomputer programming.
元编程在大型计算机编程中有许多用途。
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While your personal computer only keeps one copy of a file, large-scale services like Facebook rely on what are called content delivery networks to manage data and distribution.
Largescale experiments are costly, so if we know that computer simulations are accurate, that opens the door to a whole new range of research possibilities.