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。
• 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。
• 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。
• 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。
• 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 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。
• 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 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。
• 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。
• The studies of apple polysaccharides precipitation process showed that the better conditions were concentrated four-fold and adding ethanol of 4 times.
  通过苹果多糖醇沉工艺研究，确定苹果多糖的沉淀条件为浓缩4倍，乙醇添加量为4倍。