锥体上电位变化可以等效为一个与锥体形状与掺杂相关的串联电阻的作用，这一电阻对单尖发射电流有负反馈作用。

This resistance, which is concerned with the doping and shape of the emitter, has a negative feedback action to the emission current of the emitter.

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凡单钓停张的人，叫牌多是牌九、家声、番子，有时也会是2,8之类，绝无人去单骑尖张的。

Every single stopped a man fishing, call is more pai gow, family, child, sometimes is 2, 8 and so on, no people go riding pointed zhang.

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艏，艉尖舱底部为单底结构。

F. P and A. P tank is single bottom structure.

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