The positive sensivity of urinary VMA was 73%, and blood catecholamine was 93%.
尿香草基苦杏仁酸和血儿茶酚胺定性诊断阳性率为73% ,93%。
The positive sensitivity of blood catecholamine was 68% , and urinary VMA was 84%.
血儿茶酚胺和尿香草基苦杏仁酸增高者分别为68%,84%。
The specified minimum VMA can assure not only the enough bitumen content, but also the stability of mixture.
规范规定的最小VMA不仅要能保证足够的沥青用量,还要能保证沥青混合料的稳定性。
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