The sufficient and necessary conditions of two single-valued mapping and a set-valued mapping with the only common fixed point in complete metric space are discussed.
研究了完备度量空间中两个单值映象和一个集值映象有唯一公共不动点的充要条件，改进了已有文献的有关结果。
CONCLUSIONS The service quality of various fixed-point medical institutions was only common level.
结论各级定点医疗机构服务质量一般。
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