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1·Airline passenger volume has dropped by 20 percent.

航空客运量已经下降了20%。

2·The passenger volume this May was not as big last May.

今天五月的客流量没有去年的大。

3·Passenger volume during the Spring Festival suffered its first decline in 23 years.

春节期间的客流量遭受23年来首次下降。

4·Passenger volume has increased at Pudong International Airport since the Expo.

自世博以来，浦东国际机场的客流量就增加了。

5·Thirdly, the hidden safety problems are caused by the extremely large passenger volume.

换乘枢纽超大规模客流产生安全隐患。

6·Passenger volume forecast is an important foundation for launching mass railway transit construction projects.

客流预测是轨道交通建设项目决策的重要依据。

7·The Chengdu Shuangliu International Airport is the biggest of West China with its passenger volume at 5th place nationwide.

成都双流国际机场是中国西部最大的国际航空港，客流量居全国第五位。

8·A new prediction approach for railway passenger volume is put forward by means of Least Squares Support Vector Machine (LS-SVM).

提出了一种基于最小二乘支持向量机(LS - SVM)的铁路客运量预测的新方法。

9·Passenger volume forecast is a key indicator to weigh the basic project economic cost and economic benefit after a project puts into service.

客运量预测是衡量建设项目经济成本、预测建设项目投入运营后经济效益的关键性指标。

10·This article establish a forecast model of passenger volume in the public transportation by combine with gray system estimate and the BP networks model.

本文将BP网络模型与灰色系统预测方法相结合，建立了公交客流量预测模型。