The topic is to evolve around the fundamental research or major technical issues of this specialty in the national economy.
开题报告的选题应与本专业的基础研究或国民经济中的重要技术问题相结合。
Three major technical issues related to ultrasonic power's performance are considered in this paper: including the frequency control, power control and load matching.
针对超声波电源需要解决的频率控制、功率控制和负载匹配三大重要技术问题分别进行了深入分析。
Three major technical issues related to ultrasonic power's performance are considered in this paper: including the frequency control, power control and load matching.
针对超声波电源需要解决的频率控制、功率控制和负载匹配三大重要技术问题分别进行了深入分析。
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