Grain and structure of the skin have to be visible.

皮的纹路和结构应该显而易见的。

youdao

BP neural network model was put forward for the grain size of solidified structure.

提出了凝固组织晶粒尺寸BP神经元模型。

youdao

BP neural network model was put forward for the grain size of solidified structure.

提出了凝固组织晶粒尺寸BP神经元模型。

youdao