Note: Since 2000, Civil aviation passenger and freight traffic have adapted data of north-air in Shenyang region.

注：民航客货运量2000年开始改为北航沈阳辖区数。

youdao

However, prices of railway cargo transportation, aviation passenger services and highway transportation might rise, it said.

然而，铁路货物运输，航空客运服务，公路运输价格可能会上涨，它说。

youdao

Civil Aviation Passenger Transport Industry have low profit margin and easily impact from market risks, which compress capital, labor and technic.

民航旅客运输业是一个资金、劳动和技术密集型行业，行业的利润率低，抵御风险能力弱。

youdao

The United States Federal Aviation Administration says most large passenger planes now use HEPA filters.

VOA: special.2009.07.14

But if he were around today, we suspect he would have included the aviation business, specifically passenger airlines, especially in light of the spate of recent mergers.

FORBES: In the Face of All These Mergers, Will Airline Fares Become Unfair? And Will The Consumer Even Know?

Indeed, the German government has said it intends to remove its passenger tax when aviation enters the EU ETS from January 2012.

ECONOMIST: Letters

He proposes a hefty passenger tax on aviation of 3.6 pence (74 cents) per kilometre which would flatten demand growth to 1-2% each year.

BBC: A hiker looks out over a mountain in Switzerland