中文：

集合竞价是指将一段时间内，在集合竞价栏中投资者所输入的所有买卖委托进行集中撮合，并以集中竞价方式确定开盘价。简单来说，就是投资者在规定的时间里输入的买卖指令，按照价格优先、时间优先的原则进行撮合交易。

集合竞价的目的是为了产生一个开盘价，这个开盘价是集合竞价期间所有买卖委托集中成交的结果。在集合竞价期间，投资者可以随意输入买卖指令，但最终的开盘价是由交易所系统根据一定的原则确定的。

集合竞价的原则是价格优先、时间优先。具体来说，如果两个投资者输入的委托价格相同，那么先输入的委托先成交；如果委托价格不同，那么价格高的委托先成交。因此，投资者在集合竞价期间输入的委托价格应该尽可能高，以增加成交的可能性。

集合竞价的好处是可以提高市场的透明度和公平性。通过集合竞价，投资者可以及时了解市场的最新动态和趋势，同时也可以避免一些人为操纵市场的情况发生。

英文：

Collection auction refers to the process of collecting and combining all buy and sell orders entered by investors in the collection auction column within a certain period of time, and determining the opening price through centralized auction. In short, it refers to the process of investors entering buy and sell orders within a specified period of time, which are then matched and traded based on the principles of price priority and time priority.

The purpose of collection auction is to generate an opening price, which is the result of all buy and sell orders in the collection auction period being matched and traded. During the collection auction period, investors can enter buy and sell orders freely, but the final opening price is determined by the exchange system based on certain principles.

The principle of collection auction is price priority and time priority. Specifically, if two investors enter the same price for their orders, the first order entered will be the first to be traded; if the prices are different, the higher-priced order will be the first to be traded. Therefore, investors should enter the highest possible price during the collection auction period to increase the likelihood of their orders being traded.

The benefits of collection auction are that it can improve market transparency and fairness. Through collection auction, investors can quickly understand the latest market trends and developments, while also avoiding some cases of market manipulation.