"Well, how is Mr. Song's TV developed?"

After Zhou Xian imparted Song Yingxing's radar knowledge, he directly asked Song Yingxing about making a TV some time ago.

The principle of the TV is not complicated, that is, the image is converted into an electronic signal, and then the phosphor screen is bombarded in the form of an electronic stream, so that the phosphor screen emits the corresponding light point to form an image.

Everything needed to make a TV is now available, and Zhou Xian has only taught it slightly

"Da Ming: Spoilers at the beginning Chongzhen, revive the rivers and mountains" Chapter 321 Dragon Coin is being hit by hand, please wait a while,

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