four-fold

英 ['fɔːfəʊld]

美

a. 四倍的；四重的；四垒的
adv. 四倍；四重

双语例句

• According to the plan, by2020, China will produce ten million tonnes of fuel ethanol and two million tonnes of biodiesel, a four-fold increase on2002 levels.
  依据该规划，中国在2020年将生产1000万吨的生物乙醇和200万吨的生物柴油，大概比2002年增长4倍。
• 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。
• Cultural security including four-fold dimensions from the perspective of cultural philosophy.
  从文化哲学的视角看，文化安全包含四重雏度。
• 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 four-fold increase in oil prices imposed by opec.
  “欧佩克”石油价格的四倍上涨。
• 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。
• In the decade prior to the crisis, the balance sheets of the worlds largest banks increased by two to four-fold.
  在危机之前的十年里，世界最大银行的资产负债表扩张了两到四倍。
• The image shows a eukaryotic voltage-dependent potassium channel viewed along the four-fold axis from the extracellular surface.
  这张照片显示了真核生物细胞外概况四重轴向的电压依靠性钾浪子通道。
• 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。
• Finally, crystallized D-ribose was precipitated by adding four-fold amount of ethanol into the enriched effluent.
  解吸液浓缩后加入四倍量乙醇，可得到结晶D-核糖。