“Davisson-Calbick formula”的概念、定义、翻译、参考文献-科学参考

单词	Davisson-Calbick formula
释义	Davisson-Calbick formula [¦da·vǝ·sǝn `kal·bik ´fȯr·myǝ·lǝ] ^ELECTRONICS A formula which states that the focal length of a simple electrostatic lens consisting of a circular hole in a conducting plate is equal to four times the potential of the plate divided by the difference in the potential gradients on either side of the plate.
随便看	control inductor control instructions control joint control key controllability controllable-pitch propeller control lead controlled aerodrome controlled airspace controlled atmosphere controlled avalanche device controlled avalanche rectifier controlled avalanche transit-time triode controlled carrier modulation controlled cooling controlled fragment controlled fusion controlled-leakage system controlled medium controlled mercury-arc rectifier controlled mine controlled mosaic controlled parameter controlled rectifier controlled thermonuclear reaction

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