With AD rates changing all the time and with so many different AD display choices, the task of optimization is too much to handle by one human person.

与专案利率变化的所有的时间和这么多不同的广告显示的选择，任务的优化是太多，处理一人。

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For effective video communications, reduction of raw video data, rates is one of the necessary steps. Another equally important task is how to handle errors and losses in a communication network.

对于高效的视频通信，降低原始视频码率是必要的步骤之一：而另一个同等重要的任务是处理通信网络中的差错和损失。

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Central banks see the setting of today's interest rates as part of a wider task: giving markets, consumers and firms reason to expect that future rates will keep inflation in bounds.

央行开始把设置当天的利率当作是其广阔任务的一部分：使市场，消费者和企业觉得有理由相信未来利率水平会将通胀控制在合理的区域内。

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She had asked Prof Morgan and Juliet Luporini, from the business rates task and finish group, to seek the views of charities, business and others.

BBC: Charity shop rate relief: Petition opposes cut in Wales

She outlined her commitment to supporting businesses as she noted that matters relating to Business Rates policy in Wales are being considered by the Business Rates Review Task and Finish Group, which will be reporting shortly.

BBC: Conservatives' debate on business rates

This complicates the task for central bankers of setting interest rates.

ECONOMIST: A monetary tug-of-war