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。
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。
Begins an asynchronous operation to transmit a message to the destination of the output channel within a specified interval of time.
开始一个异步操作，在指定时间间隔内向输出通道的目标传输消息。
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