二进制自定义属性支持允许使用键-值对语义，动态地向人工任务附加任意的二进制值，例如音频录音或扫描的图片。
Binary custom properties support allows for the attaching of arbitrary binary values; for example, an audio recording or scanned image, to a human task on the fly, using key-value pair semantics.
除了每位领导人可以带一名随从人员通过一个数字笔向会场外传输图片资料外，一切笔记记录和录音都被禁止。
All the notes and recording are banned except that every leader is allowed to bring an attendant to transmit pictures outward through a digital pen.
听录音并且按照你听的顺序给上面的图片标上数字。
Listen and number the pictures above in the order you hear them.
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