The test technology of ATE software system was studied based on its characteristics and functions.
结合ATE软件系统的特点和工作方式，研究了其软件的测试方法。
With energy based on the critical characteristics of voice recognition technology, optical distance measurement diagram.
基于临界带能量特征的语音识别技术研究，光学测距离原理图。
The tolerancing process and its characteristics were studied based on the product conceptual structure design automation technology. A four layer product tolerance model was put forward.
在产品概念结构设计自动化技术基础上，研究了产品公差设计过程及其特点，提出了四层产品公差结构模型。
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