A report by ING yesterday said that shipping activity at US ports has suddenly dived.

ING 昨天的一份报告指出，美国港口的航运业务已经大幅跳水。

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For example, an activity in your ordering process might notify your inventory system that an item needs to be re-ordered while the shipping activity is executing in parallel.

例如，当正在并行执行发送活动时，订单流程中的活动可以通知库存系统需要重新定购商品。

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Arctic whales are at risk from increasing offshore oil drilling and shipping activity as areas become ice-free, which heightens threats from oil spills, ship strikes and noise.

北极鲸鱼的风险则来自因海冰消失而增加的船运，以及近海石油开采活动，这使得漏油、船只碰撞及噪音导致的风险增加。

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There is so much commercial shipping activity and it is so loud that scientists are starting to worry about the effect that the noise is having on the whales.

BBC: Whales benefit from action on ocean noise

"What we're doing now is trying to build up a set of parallel activities with equal importance, with the oil company being the most established and largest activity we have outside shipping, " he said.

CNN: Shipping giant looks to China to combat downturn

The average, comprised of 20 shipping, railroad and airline stocks, is considered a bellwether of economic activity.

WSJ: Financial Stocks Lift S&P