four-fold
英 ['fɔːfəʊld]
美
a. 四倍的；四重的；四垒的
adv. 四倍；四重
双语例句
- 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。 - 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。 - 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。 - 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。 - The principal advantage over the dual filter coherent detection is a four-fold reduction in bandwidth.
与双滤波器相干检波相比的主要优点是带宽减少了四分之三。 - 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。 - A four-fold division has been proposed for the first time and concrete opinions have been put forward for the determination of the location of the boundary between the Ordovician and Sil-urian.
首次提出了该区志留系四分方案，并为确定奥陶系与志留系的界线位置提出了具体意见。 - 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。 - 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。