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beta
测试版
常用释义
英音[ ˈbiːtə ]
美音[ ˈbeɪtə ]
变形
复数: betas
基本释义
  • n. β（希腊字母表的第二个字母）；β项，β类；β等，乙等；β星；β衰变的，β粒子的；β系数，β因素
  • n. （Beta）（罗马尼亚、波兰、美、印度）布蕾塔（人名）
例句
  • 1·Moving rapidly through school, he graduated Phi Beta Kappa from the University of Kentucky at age 18.
    在学校进步迅速，他十八岁时以优等生身份从肯塔基大学毕业。
    来源: 《柯林斯英汉双解大词典》
  • 2·The easy ones are on the diagonal: we both get B- if we both choose Alpha; we both get B+ if we both choose Beta.
    在对角线上就更直观了：如果我们都选 α 的话得 B- ，如果我们都选 β 的话得 B+ 。
  • 3·The plan has good chances of success, since sweet potato is a staple of the region's diet and agriculture, and the varieties currently grown contain little beta-carotene.
    该计划成功的机会很大，因为红薯是该地区的主食和主要农产品，而且目前种植的品种几乎不含胡萝卜素。
  • 4·Most of the purported health benefits of tea come from antioxidants—compounds also found in beta carotene, vitamin E, and vitamin C that inhibit the formation of plaque along the body's blood vessels.
    茶对健康的好处大多来自于抗氧化剂——在胡萝卜素、维生素 E 和维生素 C 中也发现了抗氧化剂化合物，它能抑制沿身体血管形成的斑块。
  • 5·He and his colleagues have found New Delhi metallo-beta-lactamase.
    他和他的同事发现了新德里金属β-内酰胺酶。
  • 6·The technique is based on beta-glucuronidase, an enzyme from the bacterium Escherichia coli.
    该技术基于β-葡糖醛酸糖苷酶（一种来自大肠杆菌的酶）。
  • 7·He and his colleagues have found "New Delhi metallo-beta-lactamase 1" positive bacteria in India and Pakistan.
    沃尔什与同事在印度、巴基斯坦发现了具有“新德里金属-β-内酰胺酶1”的细菌。
  • 8·The radioactive displacement law of Fajans and Soddy was formulated to describe the products of alpha and beta decay.
    法扬斯和索迪的放射性位移定律被用来描述α和β衰变的产物。
  • 9·Nitrocefin is a chromogenic cephalosporin substrate. which changes color from yellow to red upon beta-lactamase mediated hydrolysis.
    硝基芬是一种发色性头孢菌素底物。
  • 10·It shows the role of TNF-alpha and its receptors in the production of beta-1,4 galactosyltransferase I and V mRNAs by rat primary astrocytes.
    这显示了巢蛋白和阶段特异性胚胎抗原-1在大鼠2型星形胶质细胞中的表达。
网络释义