The highest levels of cortisol are found in those born by assisted vaginal delivery using forceps or vacuum extraction.
皮质醇水平最高的是那些通过手术钳或真空抽取而娩出的婴儿。
Such problems were lowest in children delivered by caesarean section and highest in those delivered using instruments like forceps and vacuum, the researchers said.
研究人员说，由剖腹产出生的儿童出现这些问题的比例最小，通过手术钳及真空抽吸而出生的患这些问题的比例则最多。
The essential amino acids and flavor amino acids were the highest by vacuum freeze drying and lowest by natural drying.
必需氨基酸和呈味氨基酸通过真空冷冻干燥的最高和最低的自然干燥。
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