By analyzing the smoke extraction system of public zone of underground station in the urban rail transit, we proposed some methods of choosing exhausting smoke...

通过对城市轨道交通地下车站公共区排烟系统及模式的分析，提出了不同类型车站公共区排烟风机选择的方法。

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By tweaking the design of a cull - expanding the central killing zone, and choosing sites carefully to take advantage of hard boundaries like rivers and motorways - Defra's chief veterinary officer Nigel Gibbens argues it should be possible to maximise the positive impact on bovine TB infection rates in cattle.

BBC: Badgers back in the firing line