季节理论

之后又出现了X-11-ARIMA、X-12-ARIMA、TRAMO/SEATS等方法，使得季节调整理论研究及方法完善有了新的飞跃。

Later , the appearance of methods such as X-11-ARIMA 、 X-12-ARIMA 、 TRAMO / SEATS brings a new leap in the theoretical study and improved methods of seasonal adjustment .

在借鉴国际上季节调整理论和方法的基础上，结合我国实际情况予以改进，使其最终成为真正适合我国国情的季节调整模型，理论与应用相结合的方法。

Drawing on international theory and method of seasonal adjustment , based on the actual situation in our country to be improved , it eventually became a real model for seasonal adjustment of China ; ( 3 ) Combination of theory and application methods .

基于季节模型的理论，通过建立不同的数学模型研究每月支气管炎发病人数。

Based on the theory of season model , different mathematic models were established to study the number of bronchitis each month .

时至今日，季节调整的理论和实践在发达国家已经非常完善，而发展中国家还在不断完善中。

Today , the theory and practice of seasonal adjustment has been well established in developed countries , in developing countries are constantly being perfected .

脉络-血管系统病季节性发病的理论初探

Meridian and collateral : theorectical study on seasonal attack of vascular system disease

用季节性单位根理论研究了我国月度进口量序列，通过模型形式的选择来解决单变量序列趋势规律的表达和季节性规律的识别问题。

The monthly import series was studied using the theory of seasonal unit roots , and the problems of the expression of unvariate seasonal time series and its seasonal characteristics can be solved by selecting the model structures .

这是对国际季节调整模型予以合理改进，建立真正适合我国季节调整实践模型的前提，为进一步深入研究季节调整理论起到抛砖引玉的作用。

This is premise of a seasonal adjustment model to be reasonable international improvements , and a truly practical model for seasonal adjustment in China .