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。
Based on this, a Two-terminal Bidirectional negative resistance Device (TBNRD) is fabricated and the theory of the negative resistance is studied.
在此实验基础上研制得到一种双向两端S型负阻器件(TBNRD器件).本文还对该器件产生负阻的原因进行了理论分析。
The unipolar transistor has a negative polarity or a positive polarity in accordance with the first terminal or the second terminal electrically connected to the unipolar transistor.
单极晶体管根据第一端子或者第二端子电连接于单极晶体管而具有负极性或者正极性。
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