In the meantime, according to the calculation, it is convenient to calculate test bench position of various engine spring base and gain reliable data.
同时，参照本文的计算过程，可以很方便地计算各种发动机弹簧基础试验台位，得出可靠的数据。
This paper introduces the characteristics of the geological information system and, the position and role of the large-scale correlation data base in the urban geological informa - tolls system.
本文介绍了地质信息系统的特点及大型关系数据库在城市地质信息系统中的地位和作用。
As the fault data-base of the diagnosis system is improved, the model will play an important role in accurately and rapidly diagnosing the fault position of test system for solid rocket motor.
通过对诊断系统的故障数据库的不断完善，该模型将在固体发动机地面试验测试系统中准确、快速地确定故障部位发挥重要作用。
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