题目内容
网孔电流法仅适用于平面电路。
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回路电流法是网孔电流法的扩展应用。
Printing is known as “mother of civilisation”. It has a long history and includesblock printing and _________ printing.
Li Shizhen of the Ming Dynasty, whose monumental masterpiece, Compendium ofMeteria Medica, includes 1.892 medicinal substances, 11.096 prescriptions,and 1,162 illustrations. _________ years earlier than the next pharmacopeia in the world, this book has been translated into various languages and circulated throughout many countries.
Weiqi is a popular board game that originated in China. It is played with black and white pieces on a square wooden board of 361 intersections formed by 19 vertical lines and _________ horizontal lines.
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