结论在对医院资料进行统计分析时,应遵循观察性研究的原则和方法,以避免可能存在的信息偏倚、选择偏倚和混杂偏倚。
Conclusion The principles and methods for observational studies should be followed to reduce information bias, selection bias and confounding bias in statistical analysis of hospital data.
论述了城市道路景观设计的含义、原则以及城市车行道路、人车混杂型道路和步行道路的景观设计思路。
The paper talks about the meaning, principal of the landscape design of urban roads and the landscape design thinks of urban carriageway, the person vehicle mixed roads and roads for pedestrians.
以由串行生产线抽象而成的串联水箱系统为例,讨论了一类混杂系统(HS)建模的规律,从中探讨混杂系统建模的一般原则.。
The principle of a class of hybrid system modeling is investigated through an example abstracted from tandem production line, some common modelling principles for HS are given.
只需留心一下我们这个时代的独特性质,我们几乎只能看到一些雅俗不分、龙混杂的大杂烩,但在严格意义上说,都是一些没有道德原则的东西。
If we look then only at what is peculiar to our age or characteristic of our age, we see hardly more than the interplay of mass taste with high-grade but strictly speaking unprincipled efficiency.
只需留心一下我们这个时代的独特性质,我们几乎只能看到一些雅俗不分、龙混杂的大杂烩,但在严格意义上说,都是一些没有道德原则的东西。
If we look then only at what is peculiar to our age or characteristic of our age, we see hardly more than the interplay of mass taste with high-grade but strictly speaking unprincipled efficiency.
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