求翻译：1984年，许海峰进入国家射击队，任训练中心射击队助理教练兼运动员。同年7月29日，在美国洛杉矶第23届奥运会射击赛场，27岁的许海峰夺得首项冠军，也是中国人在奥运会上夺得的第一块金牌，它是中国奥运史上零的突破。是什么意思？

In 1984, Xu Haifeng into the national shooting team, shooting team training center office assistant coach and athlete. On 29 July the same year, the 23rd Los Angeles in the United States Olympic shooting venue, 27-year-old Xu Haifeng won the first championship, also won in the Olympics the Chinese p

In 1984, Xu Haifeng entered the national shooting team shooting team, the training center for athletes and coaches. On 29 July of the same year, the first 23 games in Los Angeles in the United States, 27 years old shooting games of Xu Haifeng won the first championship, and also one of the Chinese p

In 1984, Xu Haifeng entered the national firing party, was appointed training center firing party trainer the concurrently athlete.In the same year on July 29, fires at the athletic field at the American Los Angeles 23rd session of Olympic Games, 27 year-old Xu Haifeng wins the first item championsh

In 1984, Xu Haifeng entered the national shooting team, training center shooting team assistant coach and player. On July 29, in the United States Los Angeles, the 23rd Olympic Games shooting games, 27 Xu Haifeng won the first championship, the Chinese people won the first gold medal in the Olympics

In 1984, Xu Haifeng entered national shooting team, took the post as shooting team's assistant coach and concurrently athlete in the training centre. Will it be July 29 the same year, in American Los Angeles the 23rd Olympic Games shooting court, 27 -year-old Xu Haifeng won the opener champion, it i