Think, for instance, what happens on the it side when, as has happened so often lately, a domestic facility escapes negative refining margins by conversion to a terminal facility.
例如，考虑一下it方面发生的这样一个场景(最近尤其常见)，一个内部设备通过转换成一个终站设备(terminal facility)避免了炼油毛利变为负数。
A packet transfer apparatus (3) executes mutual conversion and transfer of an upper layer packet on a user terminal side and a lower layer frame on an optical wavelength path side.
数据包传送装置(3)执行用户终端侧的上层数据包和光波长路径侧的下层帧的相互转换和传送。
A packet transfer apparatus (3) executes mutual conversion and transfer of an upper layer packet on a user terminal side and a lower layer frame on an optical wavelength path side.
数据包传送装置(3)执行用户终端侧的上层数据包和光波长路径侧的下层帧的相互转换和传送。
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