头层牛皮革就是生活中经常说的真皮，不是人造革。头层牛皮革，是专业述语，头层皮由又密又薄的具皮层及与其紧密连在一起的稍疏松的网状层共同组成。
I want to implement some sort of lookup table in C++ that will act as a cache.It is meant to emulate a piece of hardware I\'m simulating.
加载中,请稍侯......