利用ECM步骤完成小部件的功能，自定义步骤完成小部件通过将自身隐藏并连接到ECM步骤完成小部件来聚焦业务逻辑。

Leveraging the functions of the ECM step completion widget, a custom step completion widget focuses on business logic by hiding and wiring itself to the ECM step completion widget.

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声学换能与聚焦系统是扫描声学显微镜的主要部件。

The transducer-focusing system is the most important part in a scanning acoustic microscope.

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