ballas
名词 n.
英文释义
名词 n.
-
A spherical aggregate of small diamond grains that have a radial or granular structure.
— Ballases with smooth even surface yield X-ray patterns of rings only, without noticeable spots or with very small spots, which is an evidence of a fine-ray radial structure of these spherulites.
- plural of balla
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数据来源: Wiktionary