随着肺量测定法用于气道阻塞的诊断测验,其阳(阴)性预测值均不够有效?
As spirometry is used as a diagnostic test to verify obstruction (instead of excluding it), these predictive values are insufficient.? Br.
500只股票中仅有5只收于阳线,零售商梅西百货公司凭借其强劲的公司收益上升5.9%。
Only five of the 500 stocks ended positively, with retailer Macy's advancing 5.9% on strong corporate earnings.
今年5月,九阳紫砂煲曾被曝光由普通陶土制成,并以工业制剂增色,当时其产品被全部撤架。
The cooker was claimed to be made of common clay and colored with industrial materials in May, when all the products were taken off the shelves.
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