运用梯度、散度和旋度等价表示方法，点积及叉积的性质，研究了梯度、旋度和散度的相互关系，得到若干新的结果。%Researched the correlations of gradient,curl and divergence by using of the equivalent representation of the gradient,divergence and curl,the properties of the dot product and cross product,some new results was gained.
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