adj.过去的

n.过去时态

An example is given to demonstrate the proposed algorithm by comparing it with the other genetic algorithms presented in preterit articles. 最后给出相应实例，并与其它文献中的方法比较验证了本文算法的可行性和有效性。

A verb in the preterit form. 动词的过去式

According to the computer program, the preterit memory of the two pattern we designd exhibit explicitly, at the same time, the posterior distributing chart of those pattern dots have very important reference value. 通过计算机程序实验，我们设定的两种模式下的历史记忆情况清晰明了，并且该模式样本点的后续走势分布图有很大的参考价值。

It"s a breakthrough for the preterit research in this field on the aspect of fundamental frame that we analyze PSTEs" financial support system according to the difference of Mechanism of functioning. 从金融支持体系发挥作用的机制这一角度来分解民营科技企业金融支持体系是对过去这一领域研究框架的一个突破；