Application of bir model in increasing user retrieval relevancy .
bir模型在提高用户检索相关性中的应用。
Bir contains oxygen and nitrogen .
空气含有氧以及氮。
A bir d is flying by right next t o you .
一只小鸟正在你右边飞。
In bir ghanam few of the 40 front-line fighters at the gypsum factory pray regularly .
在birghanam的石膏厂，有不到40个前线战士会定期祈祷。
They have advanced into the jifarah plain , capturing the power station at shakshuk , and pushed to the outskirts of bir ghanam , 80km ( 50 miles ) from tripoli .
