英译汉 You can buy machines that can play master-level chess at a cost of...
You can buy machines that can play master-level chess at a cost of a few hundred dollars.There is some AI in them,but they play well against people mainly through brute force computation -- looking at hundreds of thousands of positions.To beat a world champion by brute force and known reliable heuristics look at 200 million positions per secondrequires being able to