Its goal is to systemically study electrical engineering design, electrical control and so on to build the foundation.
开设目的是为系统学习电气工程设计、电气控制等课程打下基础。
Objective: to measure the voice samples of the normal aged in order to systemically study the features of the voice changes.
目的：综合分析正常老年人嗓音变化的特征。方法：以喉声图仪采集、分析146例正常老年人嗓音声样。
In this thesis, the author systemically study on the asphalt pavement design technology of the permafrost area from the material and the structure.
本文从路面材料和结构两方面，对多年冻土地区沥青路面设计技术进行系统深入的研究。
应用推荐