The first problem that the system faces: as IRT theory model is imposed severer basic assumptions, so large groups of samples are needed to build the Item bank.
本系统解决的第一个问题是：IRT理论模型有较严苛的基本假设，因此需要建设大样本配合的题库。
The basic theory of active contour model is studied in this paper.
研究了活动轮廓模型的基础理论模型。
The basic thermology theory of optimized model is stated, its construction process when used in the model of walking beam furnace is analyzed with mathematics method.
文章阐述了优化加热模型的基本传热学原理，并用数学的方法剖析了此模型的建立过程以及应用到步进式加热炉中数学模型的建立过程。
应用推荐