A nonreassuring NST preterm usually should be assessed with ancillary tests, since the false positive rate of an isolated NST may be 50 to 60 percent.是什么意思_A nonreassuring NST preterm usually should be assessed with ancillary tests, since the false positive rate of an isolated NST may be 50 to 60 percent.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句