The figure is then compared with the wqo level of 180 per 100 ml . the wqo for bathing beaches has an interesting history . when the epd first took over the beach water quality monitoring programme in 1986 , the water quality objective in use stated that " the level of 1986年环保署接管泳滩水质监测工作初期,当时沿用的水质指标订明以最近5次连续抽取的海水样本中位数计算,每100毫升海水中的大肠杆菌数量不应超过1 , 000个。
样本: sample book; specimen; advan ...中位数: md,median; median and selection样本中: sample median工资中位数: median wages假定中位数: assumed median流动中位数: running median年龄中位数: median age尿碘中位数: median of urinary iodine求中位数: median全年中位数: annual median市场中位数: market median市价中位数: middle market rate收入中位数: median earnings条件中位数: conditional median真实中位数: true median中位数检验: median test中位数年龄: median age中位数平滑: median polish中位数平均: average of median中位数破译: median attack中位数速率: median speed中位数指数: median index中位数组: median class中项;中位数: median租金中位数: median rent