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阐述了电路原理和量程切换的方法。
The principle of circuit and range switch method are introduced.
youdao
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并给出了一种合成电视画面特技切换的电路。
It also presents a circuit of composing special cutting TV frame.
youdao
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并给出了一种合成电视画面特技切换的电路。
It also presents a circuit of composing special cutting TV frame.
youdao