一个混合威布尔分布表示一个总体由若干个威布尔子总体组成。
A mixed Weibull distribution represents a population that consists of several Weibull subpopulations.
本文的研究工作主要有以下几个方面：液压系统可视化建模环境总体组成技术研究；
The dissertation includes the following contents: the research on the whole makeup technique of visual modeling environment of hydraulic system;
本文论述了发动机质心测控系统的测量原理和总体组成，并详细论述了系统工程设计情况。
The paper particularly discusses emphatically the measure principle and composition of the centroid measure system, with emphasis on the system design .
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