The wide frequency bandwidth, big gain, and high out put power were required.
该功放具有工作频带宽，增益大，输出功率高等特点。
Aimed to undergraduates, We carried out an investigation to gain information in universities, and then put forward some useful design ideas of school uniform.
采用问卷调查的方式，了解了大学生的着装意愿，提出了满足大学生需求的校服设计要素。
Aimed to undergraduates, We carried out an investigation to gain information in universities, and then put forward some useful design ideas of school uniform.
采用问卷调查的方式，了解了大学生的着装意愿，提出了满足大学生需求的校服设计要素。
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