Equity markets have enjoyed a strong period since the correction in early March.
从三月初的市场修正以后，股票市场一直表现强劲。
2
The vibration of the nonlinear pendulum is studied by means of linearization and correction method, the curves of the period ratio and the relative error is plotted.
应用线化和校正方法，研究了单摆的非线性振动，作出了周期比和相对误差随摆角的变化曲线。
3
Using Johansen co integration test and vector error correction model, this paper investigates the relationship between price of real estate and urbanization in China over the period 1991-2005.