硬度 [物] hardness ; hrc ; Shore
洛氏硬度 HRC ; [力] Rockwell hardness ; HR ; HRA
布氏硬度 hb ; Brinell hardness ; Brinell ; HBW
维氏硬度 HV ; [材] Vickers hardness ; Vickers ; diamond pyramid hardness
硬度计 hardness guage ; lx-a ; LX-D ; [力] durometer
摩氏硬度 Mohs scale of mineral hardness ; Mohs hardness
维氏硬度试验 pyramid hardness test ; Vickers hardness
压入硬度 indentation hardness ; [冶] penetration hardness
硬度测试 hardness test ; Rockwell hardness shore ; Rigidity test ; Hardness testing
表观硬度 apparenthardness ; [冶] apparent hardness
web上有许多软边和硬边的例子，不过，软度变化的中间笔触很少看到。
There are plenty of examples of soft and hard edges on the web, but varying the softness mid-stroke is seen much less often.
玛丽把孩子们硬留在母亲那儿度周末。
在PHB的均聚物是一种高结晶度，其不同于那些不聚苯乙烯力学性能，比较脆硬聚合物，虽然它是那么脆弱。
The PHB homopolymer is a stiff and rather brittle polymer of high crystallinity, whose mechanical properties are not unlike those of polystyrene, though it is less brittle.
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