While it's possible to capture a whiteboard drawing digitally, it's generally an expensive operation, and the resulting datum is clumsy to transmit, version, archive, validate, and transform.
虽然以数字化的方式获取白板上的绘图是可能的。但这么做的代价通常很昂贵，并且所产生的数据难于发送、控制版本、归档、验证、转换。
Offering of service product through the operation course of combining service activity in production with transmit to finish.
服务产品的提供是通过服务生产活动和服务传递活动相结合的运作过程完成的。
By local unitary operation and entanglement swapping, the sender can transmit the piece of secret to the participant.
发送方利用局域幺正操作和纠缠交换，将子秘密分发给每个参与者。
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