relation back

英 [rɪˈleɪʃn bæk]

美 [rɪˈleɪʃn bæk]

网络  追溯效力

法律

英英释义

noun

• (law) the principle that an act done at a later time is deemed by law to have occurred at an earlier time
  1. his attorney argued for the relation back of the amended complaint to the time the initial complaint was filed
  Synonym:relation

双语例句

• In relation to GDP, household net worth has slumped back to where it was 20 years ago.
  与gdp相比，家庭净资产跌回到20年前的水平。
• The experimental results indicate that the location of the driving nozzle and the convergent section angle has an obvious influence on the maximal mass flow rate of the conveyed material, and this effect has relation to the back pressure of the pneumatic conveying system.
  试验研究结果表明，气体喷嘴位置和收缩段的收缩角对气固喷射器的最大固体输送量均有较大的影响。
• Evolution of the Relation between Man and Land: Looking Back and Ahead
  人地关系思想流变：后顾与前瞻
• The results demonstrated that the relation was ranked as follows: back throw, prone push, standing long jump, standing triple jump, 30? m run and deep thrust.
  结果表明：与原地推铅球相关的身体素质关联度由大到小依次为后抛、卧推、立定跳远、立定三级跳远、30m跑和深蹲；
• By calculating the energy-saving benefits of variable-speed pump, the relation between back pressure and energy-saving benefits are analyzed.
  通过水泵变速节能效益的实例计算，分析变速节能效益与系统背压之间的关系。
• Objective To explore the cause of chronic gastritis and its relationship with Hp infection, different courses of the change of mucous membrane shape under gastroscopy, and relation between bile back flow gastritis and Hp infection in children.
  目的探讨小儿慢性胃炎的病因与幽门螺杆菌（HelicobaeterPylori，HP）感染的关系，不同病程的胃镜下黏膜形态改变，胆汁返流性胃炎（BilebacrflowgastritesBRG）与HP感染的关系。
• The relation between mixer back pressure and minimum fan pressure was developed, which could used to select the fan when design a premixed burner.
  提出了混合器出口背压与所需风机的最小压头之间的关系式可以用于预混燃烧器风机的选取；
• In terms of the correspondence relation between winding's back EMF and the position of a rotor, a new method of estimating rotor's position is proposed in this paper, which obtains back EMF through phase voltage.
  鉴于定子绕组的反电势与转子位置的严格对应关系，提出了一种根据端电压得到反电势，从而实现定子绕组换流的方法。
• There are some arguments for the relation of changes in angle of lumbar lordosis and low back pain.
  对于腰椎的生理前凸变化是否与下腰痛有必然的联系，尚有一些争论。
• The relation among six factors ( particle size and particle geometry, board density, resin consumption, prepressing temperature, closing time and compressing thickness) and particleboard mat spring back after prepressing was studied.
  本研究对刨花大小与形态、密度、施胶量，以及预压温度、保压时间、压缩厚度六个因素与板坯预压后厚度回弹率的关系进行了试验。