Glaciers are opensystems, with snow as the system's input and meltwater as the system's main output.
冰川是开放系统，雪是系统的输入，融水是系统的主要输出。
2
Other opensystems such as the mails, the roads or the telephones come to perform a function in society that transcends their simple technical characteristics.
其它的开放系统，例如邮政、道路或者是电话都承担了一个超越它们本身简单技术特征的社会服务功能。
3
These new capabilities will be built upon an opensystems infrastructure to facilitate the ability to incorporate any sensor and weapon system into the Ballistic Missile Defense system (BMDS).