%EC%9E%A0%EC%8B%A4%EC%85%94%EC%B8%A0%EB%A3%B8%E3%84%B1%20%E3%80%90optop10%CB%9B%EF%BD%83%EF%BC%AFm%E3%80%91%E2%97%87%EC%9E%A0%EC%8B%A4%EA%B1%B4%EB%A7%88%E2%9C%B5%EC%9E%A0%EC%8B%A4op%20%EC%9E%A0%EC%8B%A4%EC%95%88%EB%A7%88%E2%9C%8D%EC%9E%A0%EC%8B%A4%ED%9B%84%EB%B6%88%EC%B6%9C%EC%9E%A5%E2%9D%81%EC%9E%A0%EC%8B%A4%EC%95%88%EB%A7%88