The wind speed and its gradient varied with a fan outlet area change at a constant flux.

在相同流量下，改变风机出风口的大小，可以得到不同的出口风速和梯度。

youdao

The functionally gradient material (FGM) is a non-homogeneous composites which feature a gradual change in properties with the gradient or continuous change of component from one surface to the other.

性能渐变材料(FGM)是其组成(成分)从一个面到另一个面呈阶梯变化或连续变化，而其性能也随之渐逐变化的非均质复合材料。

youdao

Objective: To approach the change of stress shielding rate of internal fixation materials made of nano zirconia gradient compounded with hydroxyapatite.

目的：探讨氧化锆梯度复合羟基磷灰石内固定材料的应力遮挡率的变化。

youdao