基本解釋[地球科學]半減期英漢例句雙語例句It showed that both the number and value of contracts awarded during the first half of this year had declined in comparison with the same period in 2006.報告顯示，與06年同期相比，今年上半年承包業(yè)務在數(shù)量及價值方麪都有所下降。權威例句In a relatively short period of time, the stock lost half its value and languished for years.NPR: The Few, the Tech-Savvy Few: Option MillionairesIn the first half of 2004 (the latest period for which figures are available) the value of sales fell by 1.3% compared with the first six months of 2003, according to the IFPI, a recording industry body, largely thanks to piracy.ECONOMIST: Can Stringer stop Sony malfunctioning? Thehalf value period更多例句詞組短語短語half -period average value 半周平均值period half -value 半衰期;半值期;半化期half value period更多詞組專業(yè)釋義地球科學半減期