Any other approach ignores the representationproblem, assumes that context-free facts and logical rules are sufficient, and will fail.
任何其他方法都忽略了表示方面的问题，均假定不会受到环境限制且逻辑规则就已足够了，此方法将会失败。
2
Aiming at knowledge representationproblem of expert system for rotary machinery fault diagnosis, semantic net knowledge representation is discussed.
针对旋转机械故障诊断专家系统中的知识表示问题，讨论了语义网络的知识表示方法。
3
A new proxy signature scheme is proposed. The security is based on factoring representationproblem, so it is not based on the discrete logarithm problem cryptosystem.