求翻译：奥运会开始于古希腊时的公元前776年，到那个是的政治制度是女性不可参加，而项目却只有一项，而现代的奥运会比赛项目有很多：射击、篮球、足球、田径等，它和古代的奥运会不同的是：所有人都可以参加。是什么意思？

Olympic Games began in ancient Greece in 776 BC when, to the political system is that Yes women not to attend, and the project has only one, and the modern Olympic sports have a lot of: shooting, basketball, football, track and field, it is different and ancient Olympic Games: everyone can participate.