four-fold

英 ['fɔːfəʊld]

美

a. 四倍的；四重的；四垒的
adv. 四倍；四重

双语例句

• An ongoing trial in Uganda shows that coverage rates have increased by from two-fold to four-fold.
  目前在乌干达进行的一项试验表明，覆盖率已由两倍增至四倍。
• Increases have also occurred almost everywhere, albeit to hugely divergent extents: US incomes per head have risen 23-fold and those of Africa merely four-fold.
  增长几乎出现在全球各地，不过幅度存在巨大差异：美国人均收入增长了23倍，而非洲国家仅增长4倍。
• Paracetamol doubled the risk, while ibuprofen or aspirin increased it four-fold.
  这篇刊登在欧洲领先生殖医学杂志《人类生殖》的文章指出，扑热息痛对男婴生殖能力造成的风险是一般情况的两倍，而布洛芬或阿司匹林为4倍。
• Year-on-year gross profits at the company's agriculture division increased more than four-fold to$ 209.3m.
  该公司农产品业务的毛利润为2.093亿美元，同比增长三倍以上。
• A molecule cannot have a three-fold axis and a four-fold axis in the same direction.
  一个分子不能在同一方向上有一个三重轴和一个四重轴。
• The spread between corporate bonds and 10-year Treasury bills, another measure of firm-level risk, increased four-fold over the same period.
  同期，公司债与10年期美国国债之间的息差衡量企业层面风险的另一个标准扩大了4倍。
• In the experiment, by using GaAs/ AlGaAs QW VCSEL epitaxial chip, the1 × 3,2 × 2, 3 × 3 ID and 2D arrays have been fabricated by the four-fold proton implantation method, and the characteristics have also been measured experimentally.
  实验中，出GaAs／AIGaAs量子阶VCSEL外延片通过四次质子注入工艺制备了IX3、2X2、3X3简单的一维、二维VCSEL列阵器件，并对器件的特性进厅了测量研究。
• Suspicious trading ahead of large US mergers and acquisitions has risen four-fold in the past five years, suggesting that the recent M& a boom might have sparked an even bigger increase in insider trading, according to analysis commissioned by the financial times.
  一项由英国《金融时报》委托进行的分析显示，在过去五年中，美国大型并购活动前的可疑交易增加了四倍，意味着最近的并购热潮可能引致更多的内幕交易。
• While taking advantage of the results the paper conducts a further four-fold decomposition of output of per labor, the results show that inter-provincial differences of the growth of output maken by technical efficiency is the largest in all factors.
  同时利用分解结果进一步进行了劳均产出的四重分解，结果发现，在所有的分解因素中，技术效率所贡献的产出增长率的省际差异是最大的。
• The principal advantage over the old-fashioned machine is a four-fold reduction in weight.
  与旧式机器比，主要特点是重量减少了四分之三。