Acknowledgement
이 논문은 2020년도 안동대학교 학술조성연구비 지원에 의하여 연구되었습니다. 또한 본 연구를 위한 시험편 제작에 협조하여 주신 (주)맥스로텍 관계자분들에게 진심으로 감사드립니다.
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