定理给出了这类标量函数的复梯度算子的正确表达式。
The expression of a complex gradient operator is provided by the theorems in this paper.
利用视差梯度有限约束，优化灰度相关复峰集。
The gray correlation multi-peak set then was optimized by disparity gradient limited constraint.
结果表明：采用复压烧结粉末冶金工艺可提高梯度复合材料的致密度，并能消除梯度层间界面；
The results show that the specific density of the composite can be increased and the gradient boundary layers can be eliminated by second compressing power metallurgy technique.
结果表明：采用复压烧结粉末冶金工艺可提高梯度复合材料的致密度，并能消除梯度层间界面；
The results show that the specific density of the composite can be increased and the gradient boundary layers can be eliminated by second compressing power metallurgy technique.
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