The gradient(Ti, Nb)N film possesses better sliding friction property under higher loads.
梯度薄膜在较大的载荷条件下，具有良好的滑动摩擦性能。
The concentration of the total N and dissolved N become declined with the slope land gradient increase.
径流中的全N和水解N的含量随着坡耕地坡度的增加其含量均呈下降趋势。
The concentration of the total N and dissolved N become declined with the slope land gradient increase.
径流中的全N和水解N的含量随着坡耕地坡度的增加其含量均呈下降趋势。
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