hardness中文什么意思

n.
1.坚固。
2.冷酷无情。
3.苛刻。
+更多解释...4.困难。
5.硬性；硬度。
6.飞弹基地防御核攻击的能力。
短语和例子
wear hardness 抗磨力。

• hardness guage;hardness tester:    硬度计
• abasion hardness:    磨蚀硬度
• abrasion hardness:    磨耗硬度; 磨损硬度; 耐磨硬度; ...

例句与用法

更多例句：  下一页

1. This process removes the water hardness .
   这一工艺去除水的硬度。
2. He had slipped from hardness into affability .
   他从声色俱厉变得和颜悦色。
3. A kind of metallic hardness came into his voice .
   他的声音带有一种刺耳的生硬的腔调。
4. Hardness is caused by divalent metallic cations .
   硬度是由一些两价金属阳离子引起的。
5. With regard to hardness , the diamond is in a class by itself .
   讲硬度，金刚钻是独一无二的。

英文释义

名词

1. excessive sternness; "severity of character"; "the harshness of his punishment was inhuman"; "the rigors of boot camp"
   同义词：severity, severeness, harshness, rigor, rigour, rigorousness, rigourousness, inclemency, stiffness
2. the quality of being difficult to do; "he assigned a series of problems of increasing hardness"; "the ruggedness of his exams caused half the class to fail"
   同义词：ruggedness
3. devoid of passion or feeling; hardheartedness
   同义词：unfeelingness, callousness, callosity, insensibility
4. a quality of water that contains dissolved mineral salts that prevent soap from lathering; "the costs of reducing hardness depend on the relative amounts of calcium and magnesium compounds that are present"
5. the property of being rigid and resistant to pressure; not easily scratched; measured on Mohs scale