Obviously the roots of this problem lie on both sides of the ocean, and an effective clean up will require joint efforts.

显然，问题的根源涉及大洋两岸，要想根除还需双方共同努力。

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The highly effective clean performance , prevents the carbon deposition and the greasy dirt production.

高效的清洁性能，防止积碳和油泥的产生。

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The experiment results show that ultrasonic cutting technique is an effective, clean and controllable method for machining of carbon fibre prepreg. $

实验结果表明，对于纤维预浸料的切割与下料，超声切割技术是一种可获得高质量、高效率的加工方法。

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"The entrenched interests want to protect the status quo, and the apologists for those interests want to say they can't have effective energy and clean air at the same time, " said Gore spokesman Chris Lehane.

CNN: Gore to unveil plan to lower gas prices

We are going to have to work with the banks in an effective way to clean up their balance sheets so that some trust is restored within the marketplace, because right now part of the problem is that nobody really knows what's on the banks' books.

WHITEHOUSE: Presidential Press Conference

The development literature emphasises the importance of sound institutions and clean, effective government.

ECONOMIST: Development