Estimated number of PBD was obtained by calculating the percentage of PBDs among the whole population(its 95%CL) and population of every stratum.是什么意思_Estimated number of PBD was obtained by calculating the percentage of PBDs among the whole population(its 95%CL) and population of every stratum.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句