fourfold

英 [ˈfɔːfəʊld]

美 [ˈfɔːrfoʊld]

adj.  四倍的；四重的
adv.  四倍地；四重地

BNC.21904 / COCA.23621

英英释义

adj

• four times as great or many
  1. a fourfold increase in the dosage
  Synonym:quadruplefour-fold
• having four units or components
  1. quadruple rhythm has four beats per measure
  2. quadruplex wire
  Synonym:quadruplequadruplicatequadruplexfour-fold

adv

• by a factor of four
  1. the price of gasoline has increased fourfold over the past two years
  Synonym:four times

双语例句

• Experiment of fourfold frequency divider proved the feasibility and validity of the method.
  四倍分频器电路演化实验结果验证了该方法的可行性与有效性。
• This paper provides a method to test the consistency of the paired fourfold table.
  给出了一种对配对四格表进行一致性检验的检验方法。
• The risk is particularly high in men who develop stroke, with an almost fourfold increase.
  这个危险因素在男性中风的发生中特别的高，几乎增加了4倍。
• Higher demand for solar energy, triggered by concerns about global warming, will drive a fourfold increase in the annual revenues of the global solar equipment industry from$ 20bn last year to$ 90bn in 2010, according to projections published today.
  今日即将发布的预测显示，人们对全球变暖的担忧，导致太阳能需求上升，这将推动全球太阳能设备行业的年收入增长3倍，从去年的200亿美元，到2010年时增至900亿美元。
• A Study on Circuit of the Positive Coefficient Fourfold Differential of Single Operational Amplifier
  单运放正系数四次积分电路的研究
• World prices for many of these minerals have doubled in2011, on top of a fourfold increase last year.
  许多这些稀土矿产品的世界价格继去年翻两番之后，在2011年已翻了一倍。
• Relatives of those who have suffered from the condition have a fourfold greater risk of degenerating themselves, as compared to those without any hereditary connection.
  这些谁已经从亲属遭受的条件有一个更大的风险四倍自己堕落相比，没有任何连接的世袭。
• The population in this area has increased fourfold.
  该地区的人口已增加到四倍。
• The supply of fist grew fourfold there.
  那里鱼的供应量增加了三倍。
• Over the same period copper prices have risen fourfold.
  而同期，铜价上涨了3倍。