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Slow busies are when the phone at the other end is busy or off-hook.

比较忙是指被叫方电话占线或摘机。

Open Lock button for off-hook and entrance to visitors.

开锁按钮：在访客呼叫通话中，开启门栋入口锁。

When either telephone handset is taken off-hook, the remote telephone automatically rings.

当任意一端电话话筒被拿起时，远处的电话就会自动响起。

There is provision for the dispatching, on the request of an appliance performing a line seizure operation, to the other appliances, of an off-hook signal representative of the priority level of the appliance, when this level is higher than that of at least one other appliance of the installation.

对本发明进行设置，以便在请求设备的优先级高于所述设备系统中的至少另一设备的优先级时，根据设备进行线路占用操作的请求，向其他设备发送表示所述设备的优先级的摘机信号。

When Off-Hook, this DAA draws only 4mA through Vcc.

当关闭钩，这只能通过绘制的DAA的VCC4毫安。

Feature allowing calls to an off-hook telephone to listen to room noises, for example, to check if a baby is crying.

一种电话特性，允许呼叫某个摘机电话收听室内噪声，比如婴儿是否在哭。

The signal is dispatched on the occasion of the line seizure operation and for the duration of the connection of the appliance to the line, if no off-hook signal of a higher priority level is dispatched.

如果没有发送更高优先级的摘机信号，在线路占用操作时并且在设备连接到线路上的持续时间内，发送所述信号。

The automatic two-way signaling used on these circuits causes the station instrument on one end of the circuit to ring when the station instrument on the other end goes off-hook.

这些线路上使用的自动双向信令引起线路一端的电话机振铃，而另一端的电话机摘机应答。

When a 105 test line at a far-end office is called and seized, timing functions are initiated and an off-hook supervisory signal and test progress tone are returned to the originating office.

当远端站的T105测试线发起呼叫并被扑捉到时，定时功能启动，摘机监控信号及测试过程音返回始发局。

If, for example, an originating device goes off-hook to initiate a call, an active trigger causes the SSP to change from a "null state"(i.e., monitoring state) to an "analyzing information state."

例如，如果初始设备摘机启动一次呼叫，那么有源触发器将使SSP从"零状态"转换成"分析信息状态。"

We have something to do in the new stage.

在这段崭新的时期中，我们有一些要做的。

The difference between tourism decision-making under uncertainty and risky tourism decision-making is indistinctive.

其中不确定性旅游决策和风险旅游决策的界线比较模糊，两者的区分是相对的。