例句 /

The relative content of a particular element or constituent (i) within an alloy, usually expressed in weight percent or atom percent. Also call it concentration.

The relative content of a particular element or constituent (i) within an alloy, usually expressed in weight percent or atom percent. Also call it concentration.

合金中某一元素或组分的相对含量,通常用质量百分数或原子百分数来表示。也称为浓度。