lmowledge representation的用法和樣例：
例句
- Knowledge representation is one of the key technologies in the designed expert system.
摘要知識表示是建立設計專(zhuān)家系統的關(guān)鍵技術(shù)之一。 - Standard genetic operators are not always suitable for task matching and scheduling based on permutation representation.
基于任務(wù)排列的知識表示，常規的標準遺傳操作算子并不總是有效的。
