“Pfaffian differential equation”的概念、定义、翻译、参考文献-科学参考

单词	Pfaffian differential equation
释义	Pfaffian differential equation [`faf·ē·ǝn ´dif·ǝ¦ren·chǝl i`kwā·zhǝn] ^MATHEMATICS The first-order linear total differential equation P(x,y,z )dx + Q(x,y,z )dy + R(x,y,z )dz = 0, where the functions P, Q, and R are continuously differentiable.
随便看	series circuit series compensation series connection series decay series disintegration series excitation series-fed vertical antenna series feed series firing series generator series loading series modulation series motor series multiple series-parallel circuit series-parallel control series-parallel firing series-parallel switch wattless component wattless current wattless power wattmeter Watt's curve watt-second Watt's law

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