第二代：外围式电子白板(Peripheral boards)：能将板书内容传至与之相连的计算机中存储为数字化文档，进一步分发。编辑处理，用电子邮件邮寄；
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周边式电子白板(Peripheral boards)和3. 互动式电子白板(Interactive whiteboards),即交互白板三类.
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peripheral boards
外围板
以上为机器翻译结果，长、整句建议使用 人工翻译 。
Adapter CARDS are circuit boards that provide more memory or control peripheral devices.
转接卡是能够提供更大存储或控制外接设备的电路板。
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Now there are few commercial expanding-boards which can support data transmitting between memorizer and peripheral equipment in computer.
目前计算机少有支持存储器与外设之间DMA传送的商用扩展板。
Some school boards that have contracted out peripheral services have been so impressed by the results that they are starting to apply the principle to teaching itself.
ECONOMIST: Reading, writing and enrichment
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