针对电子商务中对可变数据结构存储和处理的应用要求，提出了一种通用的数据存储模型及其处理框架。
This paper introduced a general data storing and processing model, which fit to the changeable data structure in E-business.
将加速段、减速段高度及其管径比作为可变参数，建立了结构优化数学模型。
Set the height of accelerating section and decelerating section, ratio of pipe-diameter as alterable parameter, the mathematic model of structure optimization was established.
一项供选择的潜在易变的措施是安置其中每一在一个逻辑结构之内的可变物的拉彻类型模型。
An alternative latent variable measure is the raschig ring -type model that places each of the variables within a logical structure.
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