该团队使用这种方法来生产聚合泡沫，其孔隙梯度类似大自然中的细胞结构，如骨头和木头等。
The approach has allowed the team to generate polymeric foams with porosity gradients closely resembling natural cellular structures such as bones and wood.
宏观根系吸水模型的边界条件容易确定和控制，但该类模型忽略了根系微域的水势梯度和其他类似现象。
The boundary conditions were easily determined and controlled by the macroscopic models, while the gradient of water stress in the micro-zones of roots was ignored.
这造成的梯度产生AT P的一个类似的AT p合酶复杂。
The gradient this creates produces ATP by a similar ATP synthase complex.
另外，针对进行相似性变换的目标也提出了一种新的候选目标模型，并用类似的梯度下降算法估计目标的平移向量和旋转角度。
Furthermore, a new candidate model is proposed that handles similarity transformation, and the corresponding MS algorithm can be obtained that estimates the translation vector and rotation Angle.
另外，针对进行相似性变换的目标也提出了一种新的候选目标模型，并用类似的梯度下降算法估计目标的平移向量和旋转角度。
Furthermore, a new candidate model is proposed that handles similarity transformation, and the corresponding MS algorithm can be obtained that estimates the translation vector and rotation Angle.
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