为了解决大型桥梁结构局部区域的健康监测问题，提出了一种用于桥梁结构物理参数识别的双单元子结构法。

In order to solve the problem of health monitoring at local area of large Bridges, a double-element substructure method to identify the physical parameters of bridge structures is proposed.

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要使应用程序在双堆栈环境中正常工作，您必须实现双模式单元。

For applications to function in a dual stack environment, you must implement dual mode cells.

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使用该系统要求沟通双反都要拥有该插件单元，这是该技术的一项局限。

Using the system requires that both parties of the communication have a copy of the module, which is one of the limits of the technology.

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