For example, in other embodiments, the system may be a pager, personal digital assistant (PDA) or other such device.
例如，在其他实施例中，系统可以是寻呼机，个人数字助理（PDA）或其他这样的设备。
Other embodiments of the present invention include articles produced from these compositions and processes for producing these compositions.
本发明的其它实施方案包括由这些组合物制成的制品和制造这些组合物的方法。
Thus, in a preferred class of embodiments, the collar has a pivot for the chin support pieces relative to the collar body, and an other pivot for the chin piece relative to the chin support pieces.
因而，在优选类别的实施例中，颈圈具有相对于圈体用于下颚支撑件的枢轴，和相对于下颚支撑件用于下颚部的另外的枢轴。
Thus, in a preferred class of embodiments, the collar has a pivot for the chin support pieces relative to the collar body, and an other pivot for the chin piece relative to the chin support pieces.
因而，在优选类别的实施例中，颈圈具有相对于圈体用于下颚支撑件的枢轴，和相对于下颚支撑件用于下颚部的另外的枢轴。
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