[青年电子学]·印书馆版

【青年电子学】印书馆.pdf科技英语通俗讀物 ELECTRONICSFORYOUNGPEOPLE 青年电子学 JEANNE BENDICK著 朱邦俊、干之云注释 商务印书馆 1966年北京CONTENTS Chapter IWhatIs an Electron?II Starting Electrons to Work III Electron Tubes IV TheBeginningsofElectronics-2,600Years of Electricity V Electricity intoElectronics-50Years.VI Waves.VII What Electron Tubes Do VIII Electronics All Around You IX Electronics in Industry(Helper with a Thousand the other planets whirl around our sun in the sky.It wouldbe impossible to separate our worldfrom1 our sun,and it took a long time for men to learn how to separate the electrons from their sun,which is called a NUCLEUS(If there are more than one, they are called NUCLEI.
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