When it came to descriptions of their presenting problems, things got a little vague.

当要他们描述一下当前的症状时，他们说的模糊不清。

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But a regime of this sort has several drawbacks: since the trend in real GDP varies, inflation would, too, presenting similar problems to a higher inflation target.

但是，这样的制度有一些缺点：因为实际GDP的趋势变化很大，通胀也是同样，如果设定更高的通胀目标会表现出类似的问题。

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In chapter three, after presenting the working principle of mixer and image-reject mixer, some problems which should be paid attention to during the mixer design are discussed.

第三章介绍了微波混频器及镜频抑制混频器的工作原理，讨论了设计微波镜频抑制混频器中应该注意的一些问题。

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That is presenting problems for staff that no amount of training and resources can counter.

BBC: Are the patients the problem?

There was, in the statement from Oslo, recognition that the current economic crisis facing the bloc is presenting particular problems.

BBC: Nobel Peace Prize: Surprise in Brussels at award for EU

Trustees and the city council now believe the museum is "presenting significant problems and barriers to access in some areas" and needs refurbished.

BBC: Glasgow & West Scotland