根据海滩水质指标，监测频次和污染公告，报告也为美国200个受欢迎的海滩提供了五星级的评级。
The report also provides a five-star rating guide for 200 popular U. S. beaches, based on indicators of beach water quality, monitoring frequency and public notification of contamination.
CCTV主楼悬臂施工阶段，对塔式起重机在移位安装至悬臂部位过程中和使用状态下进行高频次、高精度、多点位动态监测。
During cantilever construction of CCTV main building, high frequency, high precision and multi-point dynamic monitoring is used in tower crane displacement installation and usage.
结果发现，食品卫生监督监测公告呈明显的季节性，且年度间频次不平衡；
The results showed that the bulletins were distinctly seasonal and their promulgation frequency were not balanced in different year.
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