Initial Mechanical Clock (14C)
Still, Public Clock,
but could show
what time it was
Non-portable
Accuracy Improving (16C~18C)
1. Gravity-swing pendulum
2.Advance in technology
Escapement
Movement for small clock and watch
3.For navigation
A large prize for accurate clock
Using chronometer in navigation
Propagation of Clock and Watch
Carriage clock
(car
9. What is the superstar phenomenon? What factors create superstars in certain occupations and not in others?
슈퍼스타 현상은 미국 시카고대의 셔윈 로젠교수가 이름 붙인 것으로1등은 엄청난 보상을 받는 반면 차점자는 훨씬 작은 보상을 받는 승자독식(勝者獨食)현상을 이르는 말이다. 이러한 현상이 나타나는 이유는 스타
I. Introduction
1. Description of Fire Service Organization: the Organizational Structure and Function
Fire service agency consists of multi-step organizations; the Ministry of Public Safety and Security (NEMA) as the central government, headquarters in18 Si-dos (National Fire Academy, Coast Guard, etc. are excluded in this case) as the middle, fire station (including regional safety centers
1. 기존 PLANT 내의 제어실에 새로운 CONTROL SYSTEM 을 설치하고 기존 CONTROL SYSTEM 과의 DATA COMMUNICATION을 하려고 한다. 이때 고려해야할 사항을 설명하시오. 또한, OSI (Open System Interconnection) 7 Layer 에 대해 설명하고 TCP/IP 4계층과 비교 및 적용되는 Protocol의 예를 드시오.
① 이기종간의 제어시스템간의 데이타
나. 각도 제어부(Angle Control Section)
이 부분은 사이리스터의 점호각을 제어할 수 있도록 해준다. INPUT단자는 0과 180°사이를 점호 각이 변화하도록 -10 V에서 +10V까지 변화하는 전압을 받아들인다. COMPLEMENT와 ARC COSINE 푸시보턴은 INPUT에 공급된 전압과 점호 각과의 관계를 선택되도록 해준다.
COMPLEME
5. Expanding On Topic – talking about natural disasters
Choose several questions among the given questions and discuss them with your partner.
(Use the phrases learned in speaking sections if you want)
1. What is a disaster?
2. Have you ever been in a disaster?
3. What kind of disasters is common in your country?
4. What can you do to prepare in advance for a disaster?
5. How mu
1. 통신시스템의 기본 구성 요소와 응용
통신시스템의 구성요소는 크게 정보의 이동을 담당하는 정보 전송시스템과 전송된 정보를 가공 및 처리하는 정보 처리시스템으로 나눌 수 있다.
1) 정보 전송 시스템
통신 시스템이란 컴퓨터와 컴퓨터 사이에 통신 회선을 사용하여 데이터 전송과 데이터 처
Script(文字) : Visible Marks For Record
Condition = a language unit : a letter = 1 : 1
cf. Signalfire(烽火) or sign language(手语) is not a script
Logographic Writing(表意文字)
- Pictograph(象形文字)
Sumerian(B.C 3100), Egyptian(B.C 3000),
Hittite(B.C 1500), Chinese character(汉字, B.C 1300)
Phonographic Writing(表音文字)
- A syllabic script(音
signal instructions to the team.
Then they break open the door.
4.
??
INT. TIAJUNA BUILDING -- DAY
The door splinters inwards, and the two GUARDS quickly bring
up their Uzis. Rackin shoots the one of the left before he
can get off a shot. Breen takes out the one on the right
seconds before he fires at Delmar.
Rackin gestures for Delmar to guard the door, while Breen
and Horman will use two-by-two
signal from Zamborski, and...
INT. BUILDING -- NIGHT
WHAM! The door springs open and Team Members spin inside.
TWO GUARDS dressed in green military uniforms see Zamborski,
and raise their guns to fire
Thump. Thump.
Kaplan fires his silenced 9mm sidearm at one Guard.
Thump. Thump.
Zamborski hits the other... A big red splotch on the Guards
chest appearing before he goes down.
The Team always "doub