multiple achievements meaning in English

多种成就

Development of the multiple achievement tests in the 4 - 6 grades
6年级多重成就测验的编制
First , the author makes some obvious improvements on algorithm implementation for protocol design , which has distinct advantages over the original fair document exchange protocol with aspects of security and applicability . secondly , the integrated protocol implementation is accomplished in detail based on java 2 platform ( take the document exchange protocol as an example ) . thirdly , during the process of the protocol implementation , the paper also puts the emphases on considering the multiple achievements of message queues and relative comparison on working function , which provide the secure and stable mechanisms for the protocol applications
本文的贡献有以下三个方面，首先，在初始的文件交换协议的基础上，在安全性及适用性方面对该协议的算法提出了较大幅度的改进和完善，提出了改进后的文件交换协议版本v1和v2 ；其次，本文作者提供了基于java2平台上的具体完整的协议实现；然后，在协议实现的过程中，本文还重点考虑了消息队列的多种实现方式及相关性能比较，为协议的应用提供安全稳定的实现机制。