前置的

This paper analyzes a key transport protocol based on prepositioned secret sharing.

摘要分析一种基于秘密共享的密钥传输方案。

From the point of view of the informativeness and textual cohesiveness of preposed theme, the stronger its informativeness, the weaker its cohesiveness, and vice versa.

从主位的信衔来看，主位所传递的信新信越弱，其语篇衔越强，反之亦然。

This paper introduces the main energy saving technologies of centrifugal pump.And the author proposes a new energy saving technology which is called prerotation regulated by the inlet guide vane.

本文介绍离心泵节能的主要技术，并提出导叶预旋调节的节能技术。

Company dissolution is the reason and beginning of a company liquidation, and also is the prefixion procedure which the company criticizes, company liquidation is the result of a company dissolution.

公司解散是公司清算的原因起点，也是公司清算的程序，公司清算是公司解散的结果。