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更多“The Olympic motto is “Swifter, Higher and Stronger”, which inspires both athletes and common folks t…”相关的问题
A、motto
B、mascot
C、name of its theme song
D、emlem
The Olympic Games
Origins
The ancient Greeks first had the idea of, getting men together every four years to hold and witness sporting events. All wars and fighting had to stop while the athletes and their supporters came together in the town of Olympia for a few days to compote in a few events, mostly related to wars: throwing the javelin (标枪), running, wrestling (摔跤), boxing and so on.
The first written reference to the Games is 776 B.C. They lasted until 389 A.D. The idea of having the modem Games was suggested in the mid-19th century but they weren't a world event until' 1896. Besides being postponed because of wars, they have been held since then every four years in different cities around the world.
Symbols
The Olympic Games have many important symbols that most people recognize. The five rings that appear on the Olympic flag represent the five continents. The flag is raised in the host city and then flown to the next one where it is kept until the next Games. The Olympic torch, a major part of the ancient Games, was brought back in 1928 and is carried with great fanfare (号角) and publicity to the host city where it lights the burning flame of the Games. It is kept burning until the close of the Games.
The torch, fanfare and flag are clearly evident in the Opening Ceremony, when everyone formally welcomes the participants and the Games can begin. Here we find the dramatic and colorful March of Nations, in which all the athletes from each country go into the stadium to the sound of their country's national song and march behind their flags, thus becoming representatives of their countries.
Medals
In the ancient Games, only the winner was celebrated. Each winner was given a simple crown of olive leaves to wear on his head. This was the only reward for his victory. Those who came in second or third got nothing. Interestingly, when the Games started again in 1896, silver medals were given to the first place winners. Later in 1904 in the St. Louis Games, gold was the top prize. Now, of course we have gold for first place, silver for second and bronze for third.
Motto
The Olympics' official motto is "Citius, Altius, Fortius". This is Latin for "Swifter, Higher, Stronger". This is said to represent the Olympic spirit, supposed to be present throughout the Games and generally held to be a celebration of brotherhood, competition, sportsmanship, goodwill and peace. The Games help us see how similar we are, and help us celebrate our humanity.
People
As in ancient times, those who participate in the Games are famous for the rest of their lives. Today, it's estimated that some 100,000 people have competed in the Games. These athletes, all supposed to be amateurs (people who play and get no money for their play), have to qualify or win regional and national events. They often play on their countries' national teams. When they start playing, they become competitors or opponents on the playing field.
Officials and scorekeepers monitor their play, and judges score their performances. Spectators watch the events, and fans cheer the athletes on.
Helping the athletes in their chosen sports are their trainers and coaches. Helping the athletes in their business affairs are their agents and managers. Sometimes athletes have sponsors and after the Games are over the athletes become spokesmen for companies.
The Olympic Games also require people to take on the jobs of announcers, commentators and broadcasters. These people comment on, report and describe the events that are happening and tell us about the standings of the countries and the athletes who play the Games.
Unfortunate events in world history (the 1972 Munich Olympics) mean that security is a major concern for the Games. Thus the Olympics also employs
A．Y
B．N
C．NG
Beijing 2008: The First 4G Wireless Olympic Games ？
About half a million years ago, Peking man lived in Zhoukoudian, in the southwestern suburbs of what is now Beijing. If you have been to Beijing more recently, or are at all familiar with modern China, then you know this ancient city is going to host the most modern, high-tech Olympic Games ever in 2008. With technology available today, and a vision for what Beijing could be in 2008, there is an opportunity for the hosts to make the city's telecommunications infrastructure--in the words of the Olympic motto — "swifter, higher, stronger". The Path to 4G
Beijing has the good fortune of looking at previous generations of wireless networks and avoiding the same mistakes as it prepares for 2008. First Generation (1G) wireless telecommunications — the brick-like analog phones that are now collector's items—introduced the cellular architecture that is still being offered by most wireless companies today. Second Generation (2G) wireless supported more users within a cell by using digital technology, which allowed many callers to use the same multiplexed channel. But 2G was still primarily meant for voice communications, not data, except some very low data-rate features, like Short Messaging Service (SMS). So-called 2.5G allowed carriers to increase data rates with a software upgrade at the base transceivers Stations (BTS), as long as consumers purchased new phones too. Third Generation (3G) wireless offers the promise of greater bandwidth, basically bigger data pipes to users, which will allow them to send and receive more information.
All of these architectures, however, are still cellular. Cellular architecture is sometimes referred to as a "star architecture', because users within that cell access a common, centralized base station. The advantage is that given enough time and money, carriers can build nationwide networks, which most of the big carriers have done. Some of the disadvantages include a singular point of failure, no lead balancing, and spectral inefficiencies. The single biggest disadvantage to cellular networks going forward is that as data rates increase, output power will have to increase—or the size of the cells win have to decrease—to support those higher data rates. Since significant increases in output power scare both consumers and regulators, it is far more likely that we will see significantly smaller cells. This will further reduce the return on investment in already fragile 3G business plans.
Fourth Generation (4G) wireless was originally conceived by the Defense Advanced Research projects Agency (DARPA), the same organization that developed the wired Internet. It is not surprising, then, that DARPA chose the same distributed architecture for the wireless Internet that had proven so successful in the wired Internet. Although experts and policymakers have yet to agree on all the aspects of 4G wireless, two characteristics have emerged as all but certain components of 4G:end-to-end Internet Protocol (IP) ,and peer-to-peer(点对点)networking. An all IP network makes sense because consumers will want to use the same data applications they are used to in wired networks. Peer-to-peer networks, where every device is both a transceiver (收发机) and a router (路由器) for other devices in the network, eliminates the weakness of cellular architectures, because the elimination of a single node does not disable the network. The final definition of "4G" will have to include something as simple as this: if a consumer can do it at home or in the office while wired to the Internet, that consumer must be able to do it wirelessly in a fully mobile environment.
Let's define "4G" as "wireless collaborated peer-to-peer networking". 4G technology is significant because users joining the network add mobile routers to the network infrastructure. Because users carry much of the network with them, network capacity
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