system concept中文什么意思

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1. Recent activities for the airborne scalar gravimetry are summarized in this paper , they includes five aspects , viz . improvement of traditional airborne scalar gravity systems , development of new system concepts , optimization of acceleration deriving from dgps , optimization of filtering and estimation methods , and the application of airborne gravity data in various mapping and exploration applications
   本文概述了航空标量重力测量的研究现状及发展动态，传统航空重力测量系统的改进，新型系统方案的研究，从gps中导出加速度的理论和方法，滤波和估算方法及航空重力数据的应用等五个方面的重要研究成果。
2. Based on introduction of network security principle and erp system concept , we promote a network security strategy using encryption technology . and then we do some research on the data integrity both about transferring in internet and data depositing . and then we do a experiment about the database integrity protection and promote a viable method to protect the integrity of the data in database
   文章从介绍网络安全的基本原理和erp系统的基本概念入手，提出了erp企业中基于密码技术的网络安全策略，然后分别对网络传输和存储两个方面的数据完整性进行研究，最后针对数据库的完整性保护进行了试验，提出了一种保护数据库中数据完整性的可行方法，并在试验中对其实用性进行了验证。