The loss and congestion of information are main reasons that affect the quality of service in ATM network.

在AT M网络中，信息的拥塞及丢失是影响网络业务服务质量的主要原因。

youdao

With the sprouting of dense but grim skyscrapers in cities, people's happiness is falling and withering in the congestion of cars and foulness of air.

随着城市里那些密集而冰冷的高楼大厦拔地而起，在拥堵的车流中，在污浊的空气里，人们的幸福正在一点点地破碎，飘零。

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And oils—even healthy ones like olive oil—can become toxic when they break down, causing congestion of the arteries and joint disease, Mekary says.

任何油——甚至像健康的橄榄油——当他们分解后都能变得有毒，导致动脉堵塞和关节疾病。

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Clark sees traffic congestion as one of the most serious problems of our time - for a variety of reasons.

VOA: standard.2010.07.26

because if you take it during the day, there'll be a lot of traffic and congestion.

因为如果你白天坐，道路会拥堵。

伦敦的夜生活 - SpeakingMax英语口语达人

To ease traffic congestion,Clark says, Houston transportation officials created special safety programs to reduce the number of accidents, which tie up traffic.

VOA: standard.2010.07.26

These airports are free of the aggravating congestion of the 50 largest domestic hubs, through which 90% of travelers pass.

FORBES: A700's Numbers

Those who argue that road pricing is unfair because it discriminates against the poor ignore the fact that people too poor to own a vehicle, together with the young and the very old, suffer the ill-effects of congestion without the benefits of personal mobility.

ECONOMIST: Jam today, road pricing tomorrow

As a result, Mr Parry finds, the net benefits of a road-specific peak-period fee (the gain of less congestion minus the cost of disrupted travel) would be about three times bigger than a petrol-tax increase calculated to curb congestion by the same amount.

ECONOMIST: How much should petrol be taxed?