Consequently, it is required to know the variation regularity of temperature field in the structural member and thermal stress in order to make thermal crack controlled.
为了进行裂缝控制应掌握结构温度场和温度应力的变化规律。
In this paper, for discrete singular systems, the structural properties and design methods of regularity feedback control have been discussed by transfer function.
本文用传递函数方法讨论了离散广义系统正则反馈控制的结构性质和设计方法。
However, the structure adjustment and system optimization should be based on the integral understanding of the agricultural production system, and its regularity of systematic structural evolution.
农业结构的调整，必须建立在对系统整体认识的基础上，必须符合系统结构本身的演变规律。
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