事先登记 meaning in English

prebooked

Do i need to register before using this service
我是否须要事先登记才可使用本服务？
And has already registered in his or her preferences that english is the only acceptable language , infopal would guess from the " . fr " extension that the requested site is in french , and automatically redirect the request through babelfish . for example
，而且已经在参数选择中事先登记只接受英语，那么infopal从扩展名“ . fr ”里猜测该站点是一个法语站点，它就会自动把用户的请求重定向到babelfish （例如：
Pre - registration on the spot and after the deadline of registration , if the number of registered persons does not exceed the allowed number , then fill out the form and carry out the enrolling procedures ; if the number of registered persons exceeds the allowed number , then should be decided by lots
采现场事先登记，登记时间截止后，如登记人数未超出名额限制时，即填表办妥报名手续；若登记人数超出名额限制时，则以抽签方式决定。