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 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。
• 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。
• 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。
• 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；
• The Relation between the Personality of Technical School Left-behind Children and Their Left-behind Experience One day, he stayed back for extra tuition after school was over, and then had to take a bus home by himself.
  技校留守儿童人格特征与留守经历的关系那天，他放学后留在学校补习，不能乘校车回家。
• 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。
• By choosing proper function relation between the types and accord with certain condition data, fitting out different environmental temperature and load the function equation back pressure relationship.
  通过选取合适的函数关系式类型和符合一定条件的数据，拟合出不同负荷下环境温度与背压关系的函数关系式。
• The theory of the special power relation can be traced back to the 19th century in Germany.
  特别权力关系理论，产生于19世纪的德国。
• The relation between China and the International congress of Historical Sciences can be traced back to the republic of China period.
  中国与国际历史科学大会的渊源可以追溯到民国时期。
• 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；