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Jyutping syun4 dou6
Pinyin xuán dù

Definitions (Wiktionary)
  1. noun
    curl (the vector field denoting the rotationality of a given vector field)
    • 靜電場的旋度恆為零。
      静电场的旋度恒为零。
      jìng diàn chǎng de xuán dù héng wèi líng .
      The curl of an electrostatic field is always zero.
Examples (Wiktionary)
  1. Mandarin
    静电场的旋度恒为零。
    靜電場的旋度恆為零。
    jìng diàn chǎng de xuán dù héng wèi líng .
    • The curl of an electrostatic field is always zero.