OOP可以象数据抽象那样简单，也可以象公司范围的方法学那样复杂。
OOP can be as simple as data abstraction, or as complex as a company-wide methodology.
因此我觉得这个问题并没有确切的原因，很有可能因为方法学原因导致的。当然其他的原因也可能导致2型糖尿病比1型糖尿病更加复杂。
So I think there is no excuse if you will but it may be these methodological issues, the other reasons might be of course the course of type 2 diabetes is more complex than type 1.
对数据离散化及属性选择度量方法作了改进，以降低计算复杂度，提高算法学习速度。
For decreasing calculation complexity and increasing speed of algorithm learning, it presented some improvement of data discretization and attributes selection measure.
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