The diamond's
hardness is unparalleled in the mineral world.
翻译：钻石的硬度在矿物世界中无与伦比。
The
hardness of water can affect the performance of a coffee maker.
翻译：硬水的硬度可能会影响咖啡机的性能。
The gemstone was tested for its Mohs
hardness scale rating.
翻译：这块宝石被测试了它的莫氏硬度等级。
He wore gloves to protect his hands from the tree's rough bark, which had a high
hardness.
翻译：他戴着手套以防手被树皮的粗糙质感（硬度高）伤害。
The
hardness of ice makes it difficult to drill holes in it.
翻译：冰的硬度使其难以钻孔。
The
hardness of steel is essential for its durability in construction applications.
翻译：钢材的硬度对于其在建筑应用中的耐久性至关重要。
The
hardness test showed that the metal was a Grade 9.
翻译：硬度测试显示这种金属是9级。
The
hardness of a material determines its resistance to scratching.
翻译：材料的硬度决定了其抗刮擦能力。
A high
hardness value indicates a harder material, like tungsten carbide.
翻译：高硬度值意味着更硬的材料，如碳化钨。
The
hardness of a pencil is measured on a scale from 9H to 9B.
翻译：铅笔的硬度以从9H到9B的刻度进行衡量。
We also adjust the distance between the front cutters and increase the hardness of the full-section excavation," said the CR24 project manager who declined to be named.
我们还调整了前切割器之间的距离，增加了全断面挖掘的硬度，”CR24项目经理说，他拒绝透露姓名。
Data powered by Alibaba tracks consumer propensities in various aspects, such as identifying the preferred range of hardness of apples among Chinese customers.
Wang estimated that moving into the second half, demand for 3D-hard-pure gold jewelry products, a type of pure gold products featuring a relatively lighter per-piece weight and thus a lower per-piece price, will see a larger market share thanks to their extra hardness, stylish designs, diverse styles and affordability amid the rising gold prices.
He said demand for 3D-hard-pure gold jewelry products, a type of pure gold products featuring relatively lighter per-piece weight and thus lower per-piece price, will see a larger market share thanks to their extra hardness, stylish designs, diverse styles and affordability amid the rise of gold prices.
The product has good high-temperature red hardness and is resistant to thermal fatigue cracks, and is widely applied in drilling tools.
"The new ice-making technology can precisely control ice temperatures and will be helpful to ensure standardized hardness of ice surfaces.
这项新型制冰技术能够精确调控冰面温度，有助于确保冰面硬度的标准化。
Instead, high electrical resistivity, heat conductivity and hardness are what count.
"Most industrial applications of lab diamonds are associated with their hardness, a characteristic that makes diamond an ideal material for cutting tools," said Han Xiaoping, chief researcher at industry and energy website china5e.
However, the hardness and bending strength of such cemented carbide can reach 2,060 HV30 and 5,710 MPa respectively — a surprisingly high-level achievement in the world.
It also provides high-end cutting tools for processing high hardness mold materials.
"We use steel from such technology that is six times harder than traditional steel, which allows us to make thinner design with same hardness.
"Wang said demand for hard, pure gold jewelry products, a type of pure gold products featuring relatively lighter per-piece weight, saw soaring demand in the first quarter thanks to their extra hardness, stylish designs and affordability amid the rise of gold prices.
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