four-fold

英 ['fɔːfəʊld]

美

a. 四倍的；四重的；四垒的
adv. 四倍；四重

双语例句

• 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。
• 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。
• And if you are looking for a stockmarket bubble, Indian share prices have risen more than four-fold over the past four years, far more than in China.
  股市泡沫也存在，印度股价过去四年来增长了4倍，远远超过中国。
• 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。
• In heteroepitaxial growth on ( 001) surface, at the relative positions of the atoms at bridge sites are higher than the positions of the atoms at four-fold hollows.
  研究表明，在（001）表面异质外延生长中处于桥位原子相对位置较高而处于四重稳定位原子位置较低，而在（111）表面则与其相反。
• As such, requirements must be considered from this four-fold vantage point, or in some similar manner.
  因此，需求必须从四个角度来考虑，或者用一些其它的方式来看。
• 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。
• 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。
• If the Bodhisattva thus sees and knows, we may say that he is armed with the four-fold unhindered knowledge ( 34).
  如果菩萨以此看到和知道，我们也许可以说他们装备了4倍无碍的知识。（34）。
• The Uganda National Tuberculosis and Leprosy Programme calculates that HIV has led to a four-fold increase in TB cases in that country alone.
  乌干达国家结核病和麻风病项目计算出了仅仅在该国艾滋病已经导致了结核病病例增加到了原来的4倍。