What are the rules of hard volleyball?

There are many rules in hard volleyball. Only some simple rules can be explained here. Once you know them, you can practice and play. \x0d\ 1。 Number of people \x0d\: The rules stipulate that 1 team has at most 12 people, and each team has 6 people, standing in two rows, from left to right, with positions 4, 3 and 2 in the front row and positions 5, 6 and 1 in the back row. \x0d\ When serving, the players of both sides must stand in the designated position, otherwise they will be disqualified from serving or the opposing team will get 1 point. \x0d\ II。 Technical Rules \x0d\x0d\ Technical Action Requirements \x0d\① Serve: \ x0d \ Players who have the right to serve must turn around first, and player 1 will hit the ball within 3 seconds after the referee blows the whistle. \x0d\ If the ball touches the players, road signs and other obstacles on the server's court after the service leaves, it is a service error and the right to serve is lost. \x0d\ Before the team makes a mistake, the server serves continuously. \x0d\② Touching the ball: \x0d\ Players can touch the ball with any part of their bodies, but they are not allowed to stay. If it is fishing, holding, pushing or throwing the ball, it is judged as holding the ball. \x0d\ Each team touches the ball three times at most (excluding blocking). If 1 player touches the ball continuously for more than 1 time (excluding blocking), it is judged as combo. \x0d\ Two players on the same team touch the ball at the same time for two times. \x0d\ But both players can hit the ball three times after touching the ball on the net at the same time. \x0d\③ Aggressive batting: \x0d\ The batting directly to the opponent's court is offensive batting. \x0d\ Front row players can shoot offensive shots at any height in the field. \x0d\ The players in the back row can only hit the ball in the frontcourt in a way that is not higher than the top edge of the net in the world before the attack line, but they can hit the ball at any height when they take off after the attack line. \x0d\④ Over the net: \x0d\ Players are not allowed to hit the ball over the net, but the hitting point is in the court. After the ball leaves the hand, it is not a foul to follow the ball across the net. \x0d\ Before the opponent hit the ball, the blocker touched the ball and crossed the opponent's court, and was convicted of a net foul. \x0d\ When the opposing player hits the ball, it is allowed to block the ball in the opposing court. \x0d\⑤ Crossing the center line: \x0d\ Any part of the player's body crosses the center line and touches the ground of the opponent's court, and he will be sentenced to a foul on the center line. \x0d\ However, if one foot or part of both feet step on the center line and the other part steps on or above the center line, no foul will be awarded. \x0d\ Players can reach out and hit the ball under the net, but they must not stop the opposing players. \x0d\⑥ Blocking: \x0d\ Only front row players are allowed to block individually or collectively. \x0d\ In 1 block, the ball can continuously touch 1 or several blocked hands, heads or any part of the body above the waist, which is counted as 1 block. After the block, the team can hit the ball three times. After the blocker touches the ball, the ball falls out of bounds and the tentacles are out of bounds. This is a mistake. \x0d\ \x0d\ III。 Competition process \x0d\ 1. Pre-match preparation: \x0d\ The first referee presides over the draw, and first chooses the right to serve and the ball area. \x0d\2。 Competition start process and stop: \x0d\ After the first referee blows the whistle, he will stand at the end line of his own venue, and stand at the original position when he blows the whistle again (the position table filled in before the game). \x0d\3。 Score: \ x0d \ a. After one side serves, the other side makes a catch mistake, fouls or the ball falls into the opponent's court, that is, the server scores and continues to serve; \x0d\B, the server fouls or serves out of bounds, and the opponent scores and changes the serve. \x0d\4。 Time-out and substitution: \x0d\ When the game is dead, the coach and captain can ask the referee for time-out or substitution. \x0d\ Each team has two timeouts and six substitution opportunities in each game. \ x0d \ (1) time-out: each team has two time-outs in each game; There is a technical pause every 8 minutes in the regular competition. \ x0d \ (2) Substitution: \x0d\A, the main player can only quit the game once, and when he plays again in the same game, he can only return to the game to replace his player. \x0d\B, the substitute can only play once per game, and can replace any main player. The same game can only be replaced by the player he replaces. \x0d\ Note: The player who started the game is the main player, and other players are substitutes. \x0d\ \x0d\ IV。 Venue \x0d\ 1, venue requirements \x0d\ The volleyball venue is a rectangle of 18m× 9m, with at least 3m surrounding space and at least 7m height without obstacles above the venue. \x0d\ Draw a line horizontally in the middle of the court to divide the court into two equal courts. \x0d\ All lines are 5cm wide. \x0d\2。 Net \x0d\ There is a net on the center line of the field. The net is 1 m wide and 9.50m long, and it is hung on two posts outside the stadium. \x0d\ The height of the women's net is 2.24m, and that of the men's net is 2.43m. \x0d\ There is a five-centimeter-wide sign belt at the junction of the two ends of the net perpendicular to the sideline and the center line, and a sign pole with a length of1.80m is connected to the outside of the sign belt. \x0d\3。 Ball \x0d\ The circumference of the ball is 65 ~ 67 cm, the weight is 260 ~ 280 g, and the air pressure is 0.40 ~ 0.45 kg/cm2. \x0d\x0d\ V. The competition system stipulates that \ x0d \ the official competition adopts the best of five games, and the first four games adopt the 25-point system. Each team must win at least 25 points and surpass the other team by 2 points to win 1 game. \x0d\ The score of the deciding game is 15. After the first team scored 8 points, the two teams switched venues and continued the game to the finish line in the original position order. \x0d\ scored 15 in the deciding game (fifth game), leading the opponent by 2 points to win. \x0d\ \x0d\ VI。 Referee Settings \x0d\ There should be 1 referee, 1 recorder and 2-4 linesmen in a formal volleyball match. \x0d\x0d\ VII。 There are many penalties for foul \ x0d \ foul, including \ x0d \ serve foul, serve foul after hitting the ball, spin error, position error, combo, holding the ball, four-stroke foul, attacking hitting the ball, crossing the net foul, touching the net or marking the pole foul, foul ball and foul ball.