prolongation

英 [ˌprəʊlɒŋˈɡeɪʃn]

美 [ˌproʊlɔːŋˈɡeɪʃn]

n.  延长; 延伸

复数：prolongations　

医学

BNC.26661 / COCA.31111

牛津词典

noun

• 延长；延伸
  the act of making sth last longer
  1. the artificial prolongation of human life
     对人类寿命的人为的延长

柯林斯词典

• VERB 延长；拉长；拖长
  Toprolongsomething means to make it last longer.
  1. Mr Chesler said foreign military aid was prolonging the war...
     切斯勒先生说国外的军事援助拉长了战事。
  2. The actual action of the drug can be prolonged significantly.
     这种药物实际起作用的时间可以大大延长。

英英释义

noun

• the act of prolonging something
  1. there was an indefinite prolongation of the peace talks
  Synonym:protractionperpetuationlengthening
• the consequence of being lengthened in duration
  Synonym:lengthinesscontinuationprotraction
• amount or degree or range to which something extends
  1. the wire has an extension of 50 feet
  Synonym:extensionlengthiness

双语例句

• This paper investigates the integrable inhomogeneous generalized Heisenberg ferromagnet model by using the prolongation structure theory.
  利用延拓结构研究了可积的非均匀推广的海森堡铁磁链方程。
• Test research provided experimental basis for useful life assessment and prolongation of disk.
  试验研究为轮盘定寿、延寿提供了试验依据。
• Based on some relevant facts about the prolongations of a valuation on a module, this paper obtains two necessary and sufficient conditions for a valuation on a module to have a prolongation.
  基于一些有关模上赋值的拓展的事实，模上赋值在扩模上存在拓展的两个充分必要条件被获得。
• This paper makes a study and analysis on the calculating methods of engineering prolongation which is under the affection of double factors.
  对双方因素作用下工程延期的计算问题进行了探讨分析，建立了数学模型，给出了计算步骤。
• Objective To observe the glycerin Bupivacaine mixture for the prolongation of epidural analgesia.
  目的观察甘油丁哌卡因溶液连续硬膜外注射延长局麻作用时间的效果。
• A recent phase III trial of the combination of gemcitabine with erlotinib was associated with a significant prolongation of survival.
  一项最新的III期试验显示吉西他滨联合厄罗替尼布可以显著延长生存期。
• Long-QT syndromes are heritable diseases associated with prolongation of the QT interval on an electrocardiogram and a high risk of sudden cardiac death due to ventricular tachyarrhythmia.
  QT延长综合征属遗传性疾病，与心电图QT间期延长有关，也是室性快速性心律失常所致心源性猝死的高危因素之一。
• There was an indefinite prolongation of the peace talks.
  和谈被不确定的延长了。
• The equivalent definitions of the first prolongation and the prolongational set of a set are discussed.
  利用拓扑分析方法给出延伸集与延伸极限集的等价定义及它们是连通的条件。
• The problem with this triumphant prolongation of life is that the gains in U.
  美国国民寿命在延长，这一值得骄傲的进步在最近五年变得缓慢了。