grading of beach water quality 中文意思是什麼
grading of beach water quality
解釋
泳灘水質評級-
Levels of the five most recent samples taken from that beach. because most gazetted beaches are sampled three times per month or more, a beach grading score provides a good snapshot of beach water quality over the current month
個別泳灘的等級是根據最近5次抽取水樣本的大腸桿菌幾何平均值而評定,由於大部份憲報公布泳灘每月均會抽取樣本三次或以上,公眾只需參考泳灘的等級,便可大概了解該月的水質狀況。 -
Grading of beach water quality released
環境保護署公布泳灘等級
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