Bournonite crystals belong to the orthorhombic form of short columnar and plate, brittle, with metallic luster, often Chenggang grey to dark grey.
车轮矿晶体，属斜方晶系，呈短柱状和板状，性脆，具有金属光泽，常呈钢灰色至暗铅灰色。
Ductile and brittle materials behave differently in compression test as well. The compression test is conducted on short cylindrical specimens placed between parallel plates.
塑性和脆性材料在压缩试验中表现的特性是不相同的。压缩试验是把短圆柱形试件放在两平行平板之间进行的。
Short columns can induced brittle failure, strengthen it with additional stirrups, which shearing capacity can meet the seismic requirements.
短柱引发结构脆性破坏，采用加箍筋办法对其加强，其抗剪承载力可满足抗震要求。
Northwest China is very short of water resources and its ecological environment is very brittle.
西北地区水资源短缺，生态环境相当脆弱。
The failure mechanism and mechanical property of a brittle composite matrix, reinforced with short fibers under the uniaxial tensile load, have been studied.
研究短纤维增强脆性基复合材料在单轴拉伸荷载下的力学性能和破裂机理。
Under two limit conditions, namely, long wave and short wave, the saturated brittle rock is stable.
在两种极端情况下——长波和短波，饱和脆性岩石总是稳定的。
Which is just what happens. This is a great short-term fix, but what about the poor skeleton? Eventually it will suffer from the loss of its own calcium–bones will become brittle.
那就是会发生的。这只是一种短期的修复，但是可怜骨骼怎么办呢?最后就会因缺钙，骨头会变得脆弱。
Which is just what happens. This is a great short-term fix, but what about the poor skeleton? Eventually it will suffer from the loss of its own calcium–bones will become brittle.
那就是会发生的。这只是一种短期的修复，但是可怜骨骼怎么办呢?最后就会因缺钙，骨头会变得脆弱。
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