Expansion board : Any board that plugs into one of the computer's expansion slots .

扩充板：任何一个用插头连接在电脑扩充槽的板子。

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The hardware components of the system are divided into two parts: minimum system board and expansion board.

整个系统的硬件组成分为两个部分——最小系统板与扩展板。

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If controller is linked with alarm output and network fire control expansion board, it can also drive alarm annunciator calling to deter crime and warn the security guard.

如果控制器接了报警输出及消防联动扩展板，还可以现场驱动报警器鸣叫，威慑犯罪人员和提醒保安赶来。

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Now, bearing the name of AMD Radeon HD 6990, its successor sidles up to the throne and demands attention as the fastest single expansion board you can plug into your shiny new motherboard.

ENGADGET: AMD launches Radeon HD 6990 powerhouse for $699, maintains 'world's fastest' title

This provides ammunition to recommend an unpopular or risky decision to the board (expansion into a new business line or geography, or shutting down a plant).

FORBES: Connect

The SGH-T639 for T-Mobile looks like a fitting big sib to the Stripe, offering Bluetooth, a 1.3 megapixel camera, 220 x 176 primary display, changeable faceplates, and microSD expansion with 30MB on board -- all curiously without any mention of that beloved AWS band WCDMA we (and the FCC) heard this phone would rock.

ENGADGET: Samsung shows A517 for AT&T, T639 for T-Mobile -- both sans 3G