例句與造句

1. "' Symbolic Manipulation Program "', usually called "'SMP "', was a computer algebra system designed by Chris A . Cole and Stephen Wolfram at Caltech circa 1979 and initially developed in the Caltech physics department under Wolfram's leadership with contributions from Geoffrey C . Fox, Jeffrey M . Greif, Eric D . Mjolsness, Larry J . Romans, Timothy Shaw, and Anthony E . Terrano.
2. It's difficult to find symbolic manipulation program in a sentence. 用symbolic manipulation program造句挺難的