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。 - 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 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； - After that, the author will study briefly the relation of Algerian with the GATT which dates back to 1987 and with the WTO with which Algeria negotiated and is still negotiating about issues such as fiscal and tariff system.
其后，作者将简单的研究1987年以来阿尔及利亚与关贸总协定之间的关系，以及世贸组织关于阿尔及利亚的商议，不过至今商议问题仍是关于财政和关税制度问题。 - 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。 - 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 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。 - 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 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。