Last week, it was reported that global air cargo traffic in December 2008 was down 22.6 per cent compared with December 2007.

上周，报告显示2008年12月全球的航空货运量与2007年同期相比下降了22.6%。

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Based on the model of gray system theory, we forecasted the air cargo traffic at Pearl River Delta and analyzed the long-time influence factors.

本文研究了基于灰色系统理论模型对珠三角地区航空货邮运量进行短期运量预测和长期影响因素分析。

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The airlift was not just the only time in history when large quantities of coal have been delivered by air. It also brought leaps in air-traffic control and cargo handling.

这次空运，不仅仅是历史上唯一一次空中运输大量煤炭，还给航空交通管制和货运管理带来了飞跃，甚至还用电报机临时搭建起了简单粗糙，但行之有效的电子数据交换系统。

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The company said air cargo traffic is due to be back to 2007 levels by the end of the year.

FORBES: Ride Boeing And Airlines Higher With Tripling Of Cargo Traffic By 2029

Boeing (BA) announced Tuesday that it expects global air cargo traffic to triple by 2029, with 5.9% annual growth over the next twenty years.

FORBES: Ride Boeing And Airlines Higher With Tripling Of Cargo Traffic By 2029

Moreover, continuing shift in freight traffic from air to the sea, driven by higher fuel prices is not helping the air-cargo industry at all.

FORBES: After Weak Results FedEx Looks Like A $105 Stock