They knew that better metropolitan transportation coordination, land use, and air quality could be achieved by integrating commuter railways with the dominant bus system.

他们知道，可以通过将客运铁路与占主要地位的公交系统结合起来，改善地铁的交通协调、土地利用、以及空气质量。

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Then again, BA and AA are actually slightly less dominant at Heathrow, controlling 58% of seats, less than Air France-KLM and Delta in Paris, or Lufthansa and United in Frankfurt (see chart).

此外，BA和AA在希思罗机场所占的控制性优势要略微逊色，这两个公司在希思罗占有58%的客流量，少于法国航空公司和Delta航空公司在戴高乐机场，或者汉莎航空公司和联合航空公司在法兰克福机场的乘客占有量（见图表）。

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With the rapid development of the economy and urbanization, the regional characteristics of the urban air pollution in China has become dominant, and has attracted more attentions than before.

快速的城市化进程造成我国城市大气环境污染的区域性特征日益显著并受到关注。

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If air movement up and down the mountain's slope governed wind direction, dominant winds generally would be north-south.

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