In recent years, along with the patent pool lawsuit and the related patent pool alliance establishment, the patent poolphenomenon starts to arouse people's interest and attention.
近年来，随着专利池诉讼和有关专利池联盟的成立，专利池现象开始引起国人的关注和重视。
2
Water flow, there is a low-lying land can form a pool, which is a natural phenomenon.
水流，有一个低洼的土地能够形成一个水池，这是一种自然现象。
3
This paper analysis the characteristics of pool structure, investigate in the durability construction technology and breakage phenomenon of pool structure.