Japanese popular concept of a new '0.
日本流行一个新的概念0。
Functionally Gradient Material is a new concept and idea developed by the Japanese scientists five years ago.
梯度功能材料是日本科学家于五年多以前提出的新设想和新思想。
Functionally Gradient Material is a new concept and idea developed by the Japanese scientists five years ago.
梯度功能材料是日本科学家于五年多以前提出的新设想和新思想。
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