As to bonded concrete beams, complete bond between steel and concrete is always assumed, so analysis can be performed based on plane section hypothesis.
对于有粘结混凝土梁，一般认为钢筋和混凝土之间理想粘结，从而可基于平截面假定进行分析。
2
A pricing model of corporation bond is built up, default assumed as a stochastic intensity process and related to risk-free interest rate.
在考虑企业债券违约风险的情形下，首先将违约看作具有不确定性的随机强度过程，对违约风险进行了建模。
3
We consider the pricing model for European foreign currency options where the domestic and foreign bond rates are assumed to be stochastic.