Accurately express the scientific meaning of the saturated area of the triodetransistor characteristic curve in teaching is the original purpose of this paper.
准确、通俗地传递关于三极管输出特性曲线的科学含义，方便教学，是本文的初衷。
2
The transistor will do most of the things a triode tube will do.
晶体管能起三极管所能起的大部分作用。
3
The triodetransistor is the most basic equipment of electronic circuit.