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

• 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。
• 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。
• 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。
• On the basis of the results of tests, a relation has been derived between negative stress and flow or negative stress and back stress for two kinds of slurry density and two kinds of pipeline gradient.
  通过试验获得了两种不同矿浆浓度在两种不同管线坡度条件下负压与流量和负压与背压的关系。
• Two experiments were carried out to investigate the relation between back-ground brightness and contrast threshold in identifying coloured light signals.
  本研究的目的是考察辨认颜色灯光信号的亮度对比阈与背景亮度的关系。
• The structure relation is that, the two relative bending hand handles are fixed via the fixed axle and have full motion, the back end of the hand handle is provided with a anti-slip rubber sleeve.
  其结构关系是：由两个相对弯曲的手柄通过固定轴将其固定起来，并能活动自如，在手柄的后端套有防滑橡胶套。
• 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
• 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 summary on the relation between distribution characteristics of soil back pressure and its controlling factors is of significance for working well design.
  土反力分布与其影响因素间关系的规律结论对工作井的设计工作有一定的参考价值。
• 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；