Based on the situation of microbe pollution in the air of hospital, the author analysed the cross - infection and the improvement of design of air - conditioning in hospital.

本文结合医院空气中微生物污染的现状，分析了医院交叉感染与医院空调设计的改进。

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The south facade is isolated from the outside, and a corridor of operable windows is created to generate cross ventilation. There are no air conditioning systems.

南立面与外界隔绝，建筑师设计了一条窗户可开启的走廊来进行交叉通风。建筑内没有空调系统。

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The tools we consider are the analysis of the numerical conditioning of the neural network candidates, statistical hypothesis tests, cross validation, and so on.

我们所使用的统计学工具包括神经网络备选模型的条件数分析，假设检验，交叉验证等。

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It may seem like missing the original point, but is it any different from a Range Rover, with its roots in a vehicle designed to cross deserts or mountains, sporting a leather interior, air-conditioning and chrome wheels?

WSJ: This Sporting Life