Basic → State-of-the-art Materials
`휴대폰 소재의 진화` 어디까지…
'스칸듐,탄소섬유,강화유리,옥수수 전분까지….'
휴대폰 소재가 진화하고 있다. 지금까지 휴대폰 외장재는 가공이 편리하고 색상 구현력이 뛰어난 플라스틱이나 알루미늄 합금 등이 주로 쓰였다. 하지만 외부 충격에 약하다는 단점
1. Listening Comprehension
1~3) Listen to the following and answer the question.
Pre-history
Prior to the release of bitcoin there were a number of digital cash technologies starting with the issuer based e-cash protocols of David Chaum and Stefan Brands. Adam Back developed hashcash, a proof- of-work scheme for spam control. The first proposals for distributed digital scarcity based cryp
나는 스페인 남부의 Estepona라는 공동체에서 자랐다.내가 16살이었던 어느 날 아침,아버지는 내가 Mijas라는 18 마일의 거리의 멀리 떨어진 마을에 차를 통해 자신을 대려가는것을 허락했는데, 그 마을 주변의 창고에서 차를 서비스받는다는 조건하에서였다.운전을 이제 막 배웠음에도 차를 사용할수 있는
3D printing
3D printing or additive manufacturing (AM) refers to any of the various processes for printing a three-dimensional object. Primarily additive processes are used, in which successive layers of material are laid down under computer control. These objects can be of almost any shape or geometry, and are produced from a 3D model or other electronic data source.
Basic principles
If the
1. Introduction
In Aug. 2012, Korean government presented a list of universities with poor performance. If a university is selected as a poor performance university, the government will stop giving financial support to the university. Also, students in the universities will not be able to get national scholarship from the government. The government evaluated all the universities in Korea accordi
Complication
- hours, minutes, seconds + astronomical indications
- movement + tourbillon(중력으로 인한 초단위 오차를 줄여주는 장치)
R&D : 신모델 개발에 3~5년 소요
Craftmanship(hand-made) : 제작에 1,200~1,500개별작업 단계
Quality Control(accuracy)
- 충격, 방수, 온도 변화 등에 잘 견디도록 1,200시간 이상 test
Jobs의 Mac 디자인 요
The System of Education
General education lasts for nine years
Secondary general education--senior high school for 3 three years
Non-university level higher education institutions
Secondary general education on the basis of basic general education continues for two years and ends when students are 17-18
Parenting
Hardship
Adaption to harsh weather
Follow strong leader
Follow soci
Ⅰ. 서론
1. 연구의 필요성
우리 사회는 전통적으로 높은 교육열을 자랑한다. 부모님들은 자녀들의 학업성취를 높이기 위해 더 좋은 학교, 더 많은 공부를 원하지만 정작 중요한 것은 놓치고 있다. 교육의 성과 및 목표를 달성하기 위해서는 충분한 학습 환경이 마련되어야한다. 아무리 잘 준비된
1. What are your special skill?
(당신의 특기는 무엇입니까?)
I have a ready tongue. I love reading books, I think that I help me a lot to be a good speech maker. People often tell me that I make them immersed in my story. I think it is useful to socialize with other people.
저는 말주변이 좋습니다. 책 읽는 것을 좋아해서 그것이 제가 말을 잘하는데
Ⅰ. Introduction of Study
1. Background of study
Although the name of 'QR code' was difficult to remember at first, the recognition rate of 'QR Code' is increasing day by day. As smart phones have become popular globally, various marketings which are using it have appeared. One of the typical marketings is QR code marketing. If QR code which is also called 2D barcode is scanned, it simpl