本文介绍了液力变矩器的传动特点，分析了评价变矩器的基本性能参数及参数间的相互关系。
This paper introduces the transmission characteristic of a hydraulic torque converter, analyses the basic performance parameters for describing a converter and their mutual relationship.
通过对纯硅酸盐水泥基本性能参数的分析与计算，计算机模拟得到该种水泥在不同龄期的水化产物及细观组织结构。
Through the analysis and calculation of pure Portland cement, computer simulated its mesostructure of the hydration process of cement in different ages.
其次，研究半球谐振陀螺基本性能参数的测试方法。
Secondly, the testing methods of HRG's specifications are studied.
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