Nonlinear Fuzzy Time-Lag System 非线性模糊时滞系统
The grain drying system is one big time lag and strong nonlinear system with much interference.
粮食烘干系统是一个大时滞、多干扰的强非线性系统。
Because macroeconomic system is a big complicated system and it exists nonlinear, time lag and time change, it is difficult to establish a applied macroeconomic model.
由于宏观经济系统是一个大型复杂系统，存在着非线性、时滞和时变，因此建立一个实用的宏观经济模型并不容易。
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