问题描述：
英语句子改善
The first world computer chess championship,held in Stockholm,was won by a Russian computer program called Kaissa,which was victorious four times and no defeats.
答案上说which was victorious four times and no defeats,改成 which had four victories and no defeats.说是平行结构.不理解..
The first world computer chess championship,held in Stockholm,was won by a Russian computer program called Kaissa,which was victorious four times and no defeats.
答案上说which was victorious four times and no defeats,改成 which had four victories and no defeats.说是平行结构.不理解..
问题解答：
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