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转自：http://runrola.blog.sohu.com/118817127.html

一、词汇

English	Chinese
Negative portion	负半周
Bipolar junction	双极结
Silicon switch	硅开关
Base	基极
Collector	集电极
Emitter	发射极
Fabrication process	制造工序
Proportio’nality constant	比例常数
Cutoff	截止状态
Active	放大状态（正常工作状态）
saturation	饱和状态
‘nullify	使无效

二、短语与句子

English	Chinese
xx be more than … eg. A BJT’s construction is more than simply placing two diodes back to back.	xx并非是… 拟译：双极性三极管的结构并非是简单地将两个二极管背对背的放在一起。
Be specific to xx Eg. Beta is specific to each type of transistor and is characterized by the manufacturer in data sheets.	拟译：不同类型的三极管的β值也不同，由制造商提供的数据手册给出。
xx provides a quick view of … Eg. The beta current relationship provides a quick view of how a small base current can control a much larger collector current.	通过xx我们可以快速地了解…… 拟译：通过β电流关系，我们可以快速地了解一个小基极电流如何可以控制一个比它大得多的集电极电流。
When…, Care must be taken (not) to … Eg. When a transistor circuit is designed, care must be taken not to overdrive the base-emitter junction.	在…时，必须注意（不能/一定要）…… 拟译：当三极管电路设计好以后，必须注意不能使基极-发射极结过载。
Without …, xx will … Eg. Without some type of current limiting, the transistor will overheat and become damaged.	如果没有…，xx将会…… 拟译：如果没有某种限流措施，三极管将会因为过热而烧毁。
Figure 1 shows a common NPN configuration at DC with a current limiting resistor, RB, at the base and a voltage-dropping resistor, RC, at the collector.	拟译：图1显示的是一个工作在直流下的普通NPN三极管，其基极接有限流电阻RB，集电极接有分压电阻RC。
Physically speaking, …	物理上，……
As long as the base-collector junction remains reverse biased, increasing base current will cause a corresponding increase in collector current, and the transistor remains in active mode.	拟译：只要基极-集电极还处于反偏状态，上升的基极电流就会相应地引起集电极电流的上升，此时的三极管仍处于放大状态。
Benefit from … Eg. The plants benefited from the rain. We benefit from daily exercises.	从…中获益；得益于… 拟译：植物得益于这场雨。 拟译：我们得益于每天做操。