_ Olympic basketball last night with Jin Chen.

Originated originated in the United States. .Was first launched in the winter and rainy season indoor game. .Began December 21, 1891 Springfield, Massachusetts YMCA Training School physical education teachers Naismith (JamesNaismith) to organize the students in the gymnasium of the game. .He fixed basket of about 3.05 meters high from the wall, and then the whole class of 18 individuals divided into 2 teams. .Game, each team put into each other's basket ball, the score more goals is the winner. .Equipment used for the main game is the basket and the ball, so called basketball. .January 25, 1892 Naismith in the "Training School Report Set" on the introduction of the "basketball" game approach, the same year, 13 developed competition rules. .March 11, 1893 in Springfield YMCA Training School team of teachers and students at the match, which is the world's earliest recorded basketball. .In the same year rebound ring, New Jersey formed, each team playing the number of people by the gradual reduction in the first 10 to 9, 7, 1920, the provisions of 5. .<wbr> <wbr> development <wbr> <wbr> <wbr> 1892, the Smith, the inventor of basketball set 18 simple rules of the game of basketball into the phase of confrontation, and then produced the game's organization and leadership, law enforcement .arbiter - referee. .Basketball referee called for the foreign "referee", every game there is, vice two "referee." .Before the founding of our country known as basketball referees as "commander", every basketball game is only a "commander." .Renamed the referee after the liberation, each match set and vice two referees. .China's current basketball referee into five levels: international, national, primary, secondary and tertiary. .As the speed of basketball increasing intensity, in order to more comprehensive and accurate implementation of the rule, some countries have started every game trial set before, during and after the three referees. .<wbr> <wbr> <wbr> 19 century to the early 20th century, basketball spread to Europe. .The inaugural 1950 World Basketball Championships, 1953 World Championship for Women held. .1908 United States developed a unified national basketball rules, and a variety of text published and distributed throughout the world. .Thus, the gradual spread of basketball in America, Europe and Asia, has become a world sport. .<wbr> <wbr> <wbr> <wbr> <wbr> <wbr> <wbr> <wbr> 1936 unified the world basketball competition rules, after 10 years in 1948, the rules have been revised many times, and .the existing rules of important changes are: the score after the jump ball in the circle, to loss of units outside the end line in the backcourt to match bounds; offensive team must advance the ball within 10 seconds and play up front; the ball into the top .After the field may not come back after the field; offensive players not in the "restricted zone" to stay for 3 seconds; shooting team has been infringed, 1 hit free throws, missed shots free throws 2 second-class. .1952 and 1956 Olympic basketball competition two 15,16, there has been more than two meters, the International Amateur Basketball Federation to expand basketball court has twice the "restricted zone" (also known as "3 second zone" .); also stipulates that a team controls the ball after the shot must be shot within 30 seconds. .The early 60s about 10 seconds and the provisions of the ball returned to the backcourt, was once the 17th Olympic Games in 1960 after the abolition of the midfield line drawn sideline to change the midpoint of the suspension. .18th Olympic Games in 1964 after he returned to the midfield line, these provisions are to continue. .1977, an increase of over 10 fouls each team after two free throws when the defensive foul, anti-foul free throws when shooting are not in 1 plus 1 penalty provisions. .Turn 10 in 1981, the provisions of free throws after a foul reduced to 8 times. .Obviously, the personnel changing technologies, the development of tactics caused a rule change, which has promoted the rule changes and technical and tactical changes in the further development. .Especially since the late 50s, the rule changes on the offensive and defensive basketball game speed, the athlete's body, technology, tactics, and will, work style and so forth have been put forward new and higher requirements, promoting the rapid increase in the level of basketball skills .. .<wbr> <wbr> <wbr> basketball is before and after 1896 by the Tianjin YMCA introduced to China, then in Beijing, Shanghai, also have the YMCA in this activity. .In 1910 was held at the National Games men's basketball exhibition games, major cities in the country, middle school basketball events gradually unfolded, including Tianjin, Beijing and Shanghai in good agreement, levels are high, then .Competition rules are simple, in the course of about the middle of drawing a circle 1 meter in diameter, when the center jump ball players must be placed a hand behind the waist, enough to not take any of the group. .Technology is simple, after the jump ball in the circle, who received the ball on their dribbling, shooting people over defense. .Only straight ahead at dribbling, passing, is a single, hand chest pass, running shot is a layup with one hand underhand, standing shot are both near and far before the lower abdomen with both hands, hands shot. .1925 years ago, the offensive and 5 defensive players, with a clearer division of labor, center of the center, back to the striker, it was marking, each pegged to their opponents. .But the striker's role is just shooting attack, regardless of retreat; guard duty is just defensive intercept the ball, regardless of shooting. .Forwards and running small audience, only the center to both offensive and defensive. .And later gradually changed to assist the two guard 1 (active guard), a person left behind after the field (fixed guard), two forwards who can become an exclusive competence to stay up front attack, quick attack, a man retreated after the field-assisted anti- .. .Action has also been the development of technology, one-handed running shot there, a master shot, standing shot his hands chest shot there, there was a single pass, pass the ball hit his hands, alternating hands dribbling dribble dodge appeared defensive and beyond .defensive forward technology. .Rules of the penalty area and the increase in free-throw line, the team fouls 4 is canceled competition and free throw by the team captain kick specify any one. .Game time is divided into, the second half of the 20-minute break of 10 minutes. .Each time after the vote, or throws, jump ball in the circle, re-start the race. .The level of basketball in China since 1926 have been greatly improved. .Method of the basic rules of competition, a team of five people, one of whom the captain, waiting up to seven players, but the number increased Keyi organizers. .Competition is divided into four sections, each of the 10 minutes, 5 minutes rest between each section, 10-minute intermission. .End of the game the two teams on points, the playoff was held for 5 minutes, after 5 minutes if the number is still the same ratio, then again 5 minutes into extra innings until a winner than up. .Type of ball into the basket scoring after approval by the referee, he will be scoring. .3-point line can get 2 points into the inside; 3 lateral line input can be 3 points, 1 point free throw money into. .Start of the race to be conducted by the two players the introduction of a jump to the central jump ball area, drop by the trial judge two jump ball to start game. .Each player should replace the replacement players in 20 seconds, replace the number is not qualified. .Chosen players of the time the exchange was foul scrum, called pause. .Referee can suspend the game's timing. .Free throws each player is allowed 4 fouls have the opportunity to be guilty of at least the fifth exit (NBA for 6 times). .And can not play the same game again. .Free throw is no one can stop, defensive shooting situation, the team as punishment for the foul, giving the other team opportunities. .Free throw after free throw line to stand, the ball from the referee, who took over after 10 seconds to shoot. .After the shooting, the ball touched the rim before the step can not be more free-throw line. .Offenses can be divided into (1) General offenses: such as walking the ball, double dribble (double band), kick a ball (foot ball) or boxing ball. .(2) jump ball offense; (3) jump ball when the offense: In addition to a person other than jump ball players who are not allowed to touch the ball before the jump ball jump ball into the central area. .24 second rule: attack the ball in play when the team must shoot within 24 seconds shot (NBA, CBA, CUBA, WNBA games are 24 seconds, etc., the National Collegiate Athletic Association game for 35 seconds.) .8-second rule: The team started from the back control of the ball must be within 8 seconds the ball into the top field (the other half.) .5 second rule: the ball, players must be within 5 seconds bounds shot, FIBA rules must also be free-throw shot within 5 seconds. .3 second rule: 3 seconds into offensive and defensive 3 seconds. .Offensive 3 seconds: the offensive player may remain in the area more than 3 seconds 3 seconds; defensive 3 seconds: When a defender player offensive player is not in the corresponding area for 3 seconds or 3 seconds at the edge, and completely get rid of defensive players, the defender .Players may not stay closed more than 3 seconds. .Personal foul: physical contact with each other arising from foul behavior. .Technical Fouls: Players or coaches because of poor performance and a penalty, such as a dispute with the referee and so on. .Disqualification foul: the players do not reflect the athletes made the spirit of foul play, such as beatings. .After this happens, players should immediately ejected outside. .5 team fouls: whether it is a personal foul or technical foul, a player fouls 5 times (NBA provides 6 times) must leave the court, not further competition. .Offenses: neither a personal foul, not a technical foul for violation of the rules. .Major offenses are: illegal dribble, dribbling away, 3 second violation, the ball out of bounds, kicked the ball. .Player out of bounds: the players touch the ball or the ball itself, outside the regional boundaries or Crab line, which is a ball out of bounds. .Touch the ball before the line or lines outside the area, the ball in the air is not out of bounds. .Interference with the ball: shoot the ball to the basket whereabouts, the two sides are not ball players. .When the ball in the basket in time, defenders can not touch the ball. .Not touch the plate the ball touch the ball after the other until the ball drop. .The players were close man-mark: The defensive players man-mark the player must close within 5 seconds pass, dribble or shoot, or their team will lose possession (NBA rules is no such requirement.) .Ball returned to the field: If the team has moved the ball from the back before the games, players can no longer be the team moved the ball over the center line, back of the court. .<wbr> Olympic history <wbr> <wbr> <wbr> 1904 Olympic Games in 3 1 was the first basketball exhibition game. .1936 11th Olympic Games men's basketball as a formal event, women's basketball in 1976 before the 21th Olympic Games as an official event of the. .<wbr> <wbr> <wbr> <wbr> 2004 Olympic Games on 28 men and women in each of the 12 teams competing. .Each association up to a team for each project entry. .<wbr> <wbr> <wbr> 2004 Olympic basketball competition in Athens will be held at two venues, which lasted 15 days, from August 14 -28 days. .And the elimination heats will be held in the first 11 days, the game will hold 15,000 spectators can theHelliniko OlympicComplex held in the indoor stadium, and the quarter-finals, semifinals and finals of the competition will be in Athens for the Olympic Sports Centre Olympic .IndoorHall held the audience capacity of 18,000 people..