You may still connect peripherals to the board layer.

也许在板子上仍旧还接有外设。

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PCB design mostly includes the system's size programming, board layer programming and routing design.

印刷电路板设计主要包括了系统尺寸规划、板层规划和布线设计等等。

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The utility model discloses an oven used for aging a capacitor. The oven comprises an oven body and an oven door and an insulating board layer is arranged at the inner side of the oven door.

本实用新型公开了一种电容器老练用烘箱，包括箱体、箱门，在箱门内面设置绝缘板层。

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When you press a key on these models, its underside squishes through a layer of rubber that touches a circuit board.

WSJ: Keys That Really Click

The Biometrics assure the iWatch wearer is the authenticated user and provides an additional layer of authentication, which could be very important across the board from enterprise to personal security.

FORBES: Apple's Rumored iWatch And Why It Matters

One favoured solution involves yet another layer of technology that would allow the driver to control on-board systems using spoken commands.

ECONOMIST: When crashing is not an option