光球还有颗粒结构。
锻件过程建造了精致的颗粒结构,并改进了金属的物理属性。
The fine grain structure was built in the forging process, and the physical properties of the metal were improved.
不同的合成方法可合成出同样强度的金刚石,但其颗粒结构不同。
Different synthesis processes may synthesize diamond with the same strength but with different particle structure.
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