单词	partial differentiation
释义	partial differentiation noun : the process of finding a partial derivative Word History First Known Use circa 1890, in the meaning defined above
随便看	pillowcase pillowcases pillowed pillowing pillows pillowslips pillowwork pillowy pillroller pills pillular pillule pillwillet pillworm pillwort pillworts pilm pilo- Pilobolus pilocarpine pilocarpines pilocystic piloerection pilomotion pilon

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