预备功课;预习
prep n : preparatory school work done outside school (especially at home) [syn: {homework}, {preparation}]
PREP 1. (PReP) {PowerPC Reference Platform}. 2. (PREP) PRogrammed Electronics Patterns. Language for designing {integrated circuit}s. ["Computer Assisted Mask Production", R.L. Rosenfeld, Proc IEEE 57(9) Sep 1969].