京津冀地区突发公共卫生应急响应级别降低为二级。
The public health emergency response was lowered to Level 2 in the Beijing-Tianjin-Hebei region.
此响应符合评分指南中的所有5级标准。
This response meets all of the 5-level criteria from the Scoring Guide.
最优性能并不需要，除非您需要查询的亚微秒级响应时间。
Maximum performance is not required unless you need submillisecond response time on queries.
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