relation back
英 [rɪˈleɪʃn bæk]
美 [rɪˈleɪʃn bæk]
网络 追溯效力
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
- his attorney argued for the relation back of the amended complaint to the time the initial complaint was filed
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。 - To develop Marxism in the interactive process of theory and practice requires us to cope with in an appropriate way the relation of "tracing back to the source point" with "innovation".
在理论和实践的相互作用中发展马克思主义，就必须处理好“返本”与“开新”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 factor of unhealthy habit has significant negative relation with the factors of intellectual-cultural-orientation, moral, disposition flaw, shrinking back behavior, behavioral hinder and unhealthy habits.
知识性因子与情绪、性格缺陷、退缩行为行为障碍和不良习惯因子呈显著负相关。 - 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。 - 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 classification and relation between analytical singularity of back wave and correspondent topological singularity of diffraction surface with zero bias in even medium are discussed and analyzed in detail.
本文比较详细地讨论和分析了均匀介质中零偏移距散射曲面拓扑奇性和相应回波解析奇性之间的关系和分类。 - 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。 - 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。 - 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；