rationing of exchange

例句：

1. 1. The government has implemented a systemof rationing to control the spread ofthe virus.
   政府实施了一套配给制度来控制病毒的传播。
2. 2. Duringthe war, rationingwas necessary to ensure food andother essential supplies were distributed fairly.
   在战争期间，配给是必要的，以确保食物和其他必需品公平分配。
3. 3. The rationing of resources during the economic crisis ledto increased efficiency in resource allocation.
   经济危机期间的资源配给导致了资源分配的提高效率。