Information security is refers to the accuracy of the information, and authenticity, confidentiality, integrity, and availability and the protection of utility.
信息安全则是指对信息的精确性、真实性、机密性、完整性、可用性和效用性的保护。
2
The virtual property has three nature of the property which are utility, scarcity and availability. The virtual property is in legal owned by players.
它具有财产的三个属性：效用性、稀缺性、可支配性的，是属于玩家所有的一种具有价值的财产。
3
The utility model can reduce the processing quality of the wastewater and raises the availability ratio of the water resource.