| 摘要 |
An electronic device is provided that includes a main printed circuit board (PCB) having a top surface, a bottom surface, and a hole extending between the top surface and the bottom surface. The electronic device further includes a module PCB having at least one electrical component mounted on a top surface of the module PCB, wherein the module PCB is inverted and assembled adjacent the main PCB such that the top surface of the module PCB faces the top surface of the main PCB, and the at least one electrical component extends into the hole. In addition, the electronic device includes a cover on the bottom surface of the main PCB that substantially covers the hole.
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