Historically, code tokens have been confined to little devices, like ones that hang off many corporate employees' key chains.
以前，动态口令牌仅限于小型设备，比如挂在许多公司员工钥匙链上的那些小玩意。
Some riders hang off the side off their saddles.
有的骑手几乎身子悬在马鞍一侧。
The dedicated hang-off line must be inspected prior to operation.
开始作业前，必须检查专用的悬吊绳。
The dedicated hang-off line must be inspected prior to operation.
开始作业前，必须检查专用的悬吊绳。
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