通过介绍美国艾斯苯技术公司水软件的开发，基本原理，主要功能，工作步骤和应用实例，说明这个软件是专门用于水和废水系统设计和优化的软件。

The development, basic principal, key functionality and a practical example of Aspen Water software, which is specially applied to the design of the water and wastewater system, are introduced.

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艾利克斯·格莱迪是一位武术家，他肩部受伤后复出，代表美国对抗韩国。

Alex Grady is a martial expert chosen to come out of retirement after a shoulder injury to represent America against Korea.

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有一个女孩叫安娜，她在美国的艾斯玛思·维尔小学学习。

There was a girl called Anna, who was studying in Esmarth Vil, a primary school in the United States.

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