In the next few months, CityBeat’s dining crew is going to periodically revisit some classic Cincinnati restaurants. What defines a classic? Well, if longevity is a factor, Hyde Park’s China Gourmet certainly qualifies. They’ve been serving fine Chinese cuisine since 1977. In an era when restaurants close within months of opening, the fact that China Gourmet is still going strong in its fifth decade is an amazing testimony to its ownership.