Objective to study the line from infraorbital edge to external acoustic meatus as a scanning baseline in the location of AC-PC plane.
目的研究外耳门中点与眶下缘最低点的连线(简称眶听线)作为扫描基线对获得AC - PC平面的临床价值。
The study and application of AC de-excitation technology in pumped storage power station is a quite new subject.
交流灭磁技术在抽水蓄能机组中的应用是一个较新的课题。
Thirdly, it analyzes the characteristics of DC and AC grid connections based on a case study of an offshore wind-farm designed and implemented by ABB Company in Germany.
以ABB公司所做的德国某海上风电场的联网案例来对比分析直流联网和交流联网的各自特点。
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