Based on the GM (1, 1) direct modeling method, a method of establishing grey logistic model is put forward, and a grey logistic model of Wenzhou population is obtained.
基于GM(1,1)直接建模法，本文提出了建立灰色Logistic模型的一种方法，并进而建立了温州市人口的灰色Logistic模型。
This is also a precise modeling measurement method. Compared with the DC exciting and direct reading method, the identification of this method can be much smaller than the digitized error.
这是一种模型化精确测量方法，与以往的直流激励读取法相比，评价结果的分辨力和不确定度可以远小于量化误差。
This thesis puts forward a new direct-actuated digital servo valve, based on the studying relevant workings, and also advanced a new method modeling in hydraulic system.
本文在综述国内外电液数字控制技术及元件的相关研究成果的基础上，设计出了数字伺服阀的新型结构，并且提出了在液压系统中使用模块化建模的思想。
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