“虚短”是指在理想情况下，两个输入端的电位相等，就好像两个输入端短接在一起，但事实上并没有短接，称为“虚短”。虚短的必要条件是运放引入深度负反馈。 “虚断”指在理想情况下，流入集成运算放大器输入端电流为零。这是由于理想运算放大器的输入电阻无限大，就好像运放两个输入端之间开路，但事实上并没有开路，称为“虚断”。 “虚地”是深度电压并联负反馈放大器的重要特点，是指集成运放的反相输入端为虚地点，即u_=0。
虚地
网络释义
短语
虚地址 virtual address
虚地磁极 virtual geomagnetic pole ; VGP
谦虚地 modestly ; Haidee ; humble ; standoffishly
虚地图 virtual map
空虚地 emptily ; vacantly
虚地址空间 virtual address space ; virtual address apace
系统虚地址 system virtual address
谦虚地向同事学习 Humility to learn from colleagues ; Modestly learn from colleagues
虚拟地址 [计] virtual address ; VADR Virtual ADdRess ; VA ; VADR
不谦虚地 immodestly
双语例句原声例句
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本文从地与虚地的概念入手，浅议了地与虚地的关系，并列举了虚地的实际运用。
This essay begins with the definition of Ground and virtual Ground, and then discusses emphatically the relation between them. Furthermore, it enumerates concrete practical use of the virtual Ground.
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虚函数简单地向标准输出写一行文本。
The virtual functions simply write a line of text to standard output.
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小青几乎被这些理论弄糊涂了．当她不由自主地走回家时，丈夫已虚门等待。
Xiaoqing was actually confused by these theories. When she unconsciously came back home, her husband was waiting for her.
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Now in order to illustrate the way in which what Iser calls virtual work gets done in this regard, let me just run through a few passages quickly.
现在，为了阐释,在这点上，伊瑟尔所说的虚功是怎样做的，下面我们来快速地浏览几段话。
应用推荐
$firstVoiceSent
- 来自原声例句