上证国债指数存在一个易变性变动的平均周期，约为20天。
An average cycle which is about 20 days was discovered in the time series of SSE T-Bond Index.
采用触变破解指数，粘度法以及触变环的方法对磁流变液触变性能进行表征。
Using a thixotropic cracked index, viscosity and the method of thixotropic ring MRF thixotropic performance.
采用触变破解指数，粘度法以及触变环的方法对磁流变液触变性能进行表征。
Using a thixotropic cracked index, viscosity and the method of thixotropic ring MRF thixotropic performance.
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