例句與造句

1. It is sometimes claimed that the IBM SSEC, operational in January 1948, was the first stored-program computer; this claim is controversial, not least because of the hierarchical memory system of the SSEC, and because some aspects of its operations, like access to relays or tape drives, were determined by plugging.
2. It's difficult to find hierarchical memory system in a sentence. 用hierarchical memory system造句挺難的