2) subscript expression
下表表达式
3) surface subsidence
地表下沉
1.
Study on the surface subsidence owing to drainage in porous aquifers;
多孔介质含水层疏水引起的地表下沉研究
2.
In order to accurately calculate the mining induced subsidence in thick alluvium areas so as to decrease the mining damage and environment disruption,the calculation of surface subsidence caused by water loss of clay was discussed based on probability integral method and used in a real case.
为了更加精确地计算厚冲积层矿区的煤矿开采沉陷问题,减小采动损害与环境破坏,基于煤矿开采沉陷计算的概率积分法,探讨了由于黏土体失水引起的地表沉陷计算问题,推导了黏土体失水引起的地表下沉计算公式,并应用于煤矿实际地表沉陷,加以分析论证。
3.
The surface subsidence basin is the result of underground coal mining.
地下采煤会导致地表下沉盆地的形成。
4) ground surface subsidence
地表下沉
1.
Visco-elastic model for analysis of ground surface subsidence for underground mining;
地下开采地表下沉分析的粘弹性力学模型
2.
Model for dynamic process of ground surface subsidence due to underground mining
地下采矿引起的地表下沉的动态过程模型
3.
The laws of ground surface subsidence and rockmass movement in east area of Chenchao iron mine due to underground mining are studied.
东区现有地表下沉属于不连续下沉,岩层破坏主要是缓慢型破坏。
5) top and bottom surface
上下表面
补充资料：(-)-表没食子儿茶素
分子式：C15H14O7
分子量：306.27
CAS号：970-74-1
性质：熔点208-210°C。比旋光度-50° (c=0.04, EtOH)。
分子量：306.27
CAS号：970-74-1
性质：熔点208-210°C。比旋光度-50° (c=0.04, EtOH)。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条