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Значения термина relative hardness на английском

Значения для термина "relative hardness" отсутствуют.
Использование термина relative hardness на английском
1
The relative hardness of the diamond, in different directions, is a singular fact.
On the Economy of Machinery and Manufactures
2
The two kinds are readily distinguished from each other by their relative hardness.
The Project Gutenberg Encyclopedia, Volume 1 of 28
3
Since the 1800s, the relative hardness of materials has been measured using a simple scratch test.
Radio NZ
4
She further sorted the metal by relative hardness and purity according to the qualities the crystals displayed.
Brisingr
5
Its lakes have been formed quite regardless of the lie of the rocks, though not regardless of their relative hardness.
Town Geology
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